From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/text/message/fmt_test.go | 1871 -------------------------- 1 file changed, 1871 deletions(-) delete mode 100644 vendor/golang.org/x/text/message/fmt_test.go (limited to 'vendor/golang.org/x/text/message/fmt_test.go') diff --git a/vendor/golang.org/x/text/message/fmt_test.go b/vendor/golang.org/x/text/message/fmt_test.go deleted file mode 100644 index 2d6872b..0000000 --- a/vendor/golang.org/x/text/message/fmt_test.go +++ /dev/null @@ -1,1871 +0,0 @@ -// Copyright 2017 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package message - -import ( - "bytes" - "fmt" - "io" - "math" - "reflect" - "runtime" - "strings" - "testing" - "time" - - "golang.org/x/text/language" -) - -type ( - renamedBool bool - renamedInt int - renamedInt8 int8 - renamedInt16 int16 - renamedInt32 int32 - renamedInt64 int64 - renamedUint uint - renamedUint8 uint8 - renamedUint16 uint16 - renamedUint32 uint32 - renamedUint64 uint64 - renamedUintptr uintptr - renamedString string - renamedBytes []byte - renamedFloat32 float32 - renamedFloat64 float64 - renamedComplex64 complex64 - renamedComplex128 complex128 -) - -func TestFmtInterface(t *testing.T) { - p := NewPrinter(language.Und) - var i1 interface{} - i1 = "abc" - s := p.Sprintf("%s", i1) - if s != "abc" { - t.Errorf(`Sprintf("%%s", empty("abc")) = %q want %q`, s, "abc") - } -} - -var ( - NaN = math.NaN() - posInf = math.Inf(1) - negInf = math.Inf(-1) - - intVar = 0 - - array = [5]int{1, 2, 3, 4, 5} - iarray = [4]interface{}{1, "hello", 2.5, nil} - slice = array[:] - islice = iarray[:] -) - -type A struct { - i int - j uint - s string - x []int -} - -type I int - -func (i I) String() string { - p := NewPrinter(language.Und) - return p.Sprintf("<%d>", int(i)) -} - -type B struct { - I I - j int -} - -type C struct { - i int - B -} - -type F int - -func (f F) Format(s fmt.State, c rune) { - p := NewPrinter(language.Und) - p.Fprintf(s, "<%c=F(%d)>", c, int(f)) -} - -type G int - -func (g G) GoString() string { - p := NewPrinter(language.Und) - return p.Sprintf("GoString(%d)", int(g)) -} - -type S struct { - F F // a struct field that Formats - G G // a struct field that GoStrings -} - -type SI struct { - I interface{} -} - -// P is a type with a String method with pointer receiver for testing %p. -type P int - -var pValue P - -func (p *P) String() string { - return "String(p)" -} - -var barray = [5]renamedUint8{1, 2, 3, 4, 5} -var bslice = barray[:] - -type byteStringer byte - -func (byteStringer) String() string { - return "X" -} - -var byteStringerSlice = []byteStringer{'h', 'e', 'l', 'l', 'o'} - -type byteFormatter byte - -func (byteFormatter) Format(f fmt.State, _ rune) { - p := NewPrinter(language.Und) - p.Fprint(f, "X") -} - -var byteFormatterSlice = []byteFormatter{'h', 'e', 'l', 'l', 'o'} - -var fmtTests = []struct { - fmt string - val interface{} - out string -}{ - // The behavior of the following tests differs from that of the fmt package. - - // Unlike with the fmt package, it is okay to have extra arguments for - // strings without format parameters. This is because it is impossible to - // distinguish between reordered or ordered format strings in this case. - // (For reordered format strings it is okay to not use arguments.) - {"", nil, ""}, - {"", 2, ""}, - {"no args", "hello", "no args"}, - - {"%017091901790959340919092959340919017929593813360", 0, "%!(NOVERB)"}, - {"%184467440737095516170v", 0, "%!(NOVERB)"}, - // Extra argument errors should format without flags set. - {"%010.2", "12345", "%!(NOVERB)"}, - - // Some key other differences, asides from localized values: - // - NaN values should not use affixes; so no signs (CLDR requirement) - // - Infinity uses patterns, so signs may be different (CLDR requirement) - // - The # flag is used to disable localization. - - // All following tests are analogous to those of the fmt package, but with - // localized numbers when appropriate. - {"%d", 12345, "12,345"}, - {"%v", 12345, "12,345"}, - {"%t", true, "true"}, - - // basic string - {"%s", "abc", "abc"}, - {"%q", "abc", `"abc"`}, - {"%x", "abc", "616263"}, - {"%x", "\xff\xf0\x0f\xff", "fff00fff"}, - {"%X", "\xff\xf0\x0f\xff", "FFF00FFF"}, - {"%x", "", ""}, - {"% x", "", ""}, - {"%#x", "", ""}, - {"%# x", "", ""}, - {"%x", "xyz", "78797a"}, - {"%X", "xyz", "78797A"}, - {"% x", "xyz", "78 79 7a"}, - {"% X", "xyz", "78 79 7A"}, - {"%#x", "xyz", "0x78797a"}, - {"%#X", "xyz", "0X78797A"}, - {"%# x", "xyz", "0x78 0x79 0x7a"}, - {"%# X", "xyz", "0X78 0X79 0X7A"}, - - // basic bytes - {"%s", []byte("abc"), "abc"}, - {"%s", [3]byte{'a', 'b', 'c'}, "abc"}, - {"%s", &[3]byte{'a', 'b', 'c'}, "&abc"}, - {"%q", []byte("abc"), `"abc"`}, - {"%x", []byte("abc"), "616263"}, - {"%x", []byte("\xff\xf0\x0f\xff"), "fff00fff"}, - {"%X", []byte("\xff\xf0\x0f\xff"), "FFF00FFF"}, - {"%x", []byte(""), ""}, - {"% x", []byte(""), ""}, - {"%#x", []byte(""), ""}, - {"%# x", []byte(""), ""}, - {"%x", []byte("xyz"), "78797a"}, - {"%X", []byte("xyz"), "78797A"}, - {"% x", []byte("xyz"), "78 79 7a"}, - {"% X", []byte("xyz"), "78 79 7A"}, - {"%#x", []byte("xyz"), "0x78797a"}, - {"%#X", []byte("xyz"), "0X78797A"}, - {"%# x", []byte("xyz"), "0x78 0x79 0x7a"}, - {"%# X", []byte("xyz"), "0X78 0X79 0X7A"}, - - // escaped strings - {"%q", "", `""`}, - {"%#q", "", "``"}, - {"%q", "\"", `"\""`}, - {"%#q", "\"", "`\"`"}, - {"%q", "`", `"` + "`" + `"`}, - {"%#q", "`", `"` + "`" + `"`}, - {"%q", "\n", `"\n"`}, - {"%#q", "\n", `"\n"`}, - {"%q", `\n`, `"\\n"`}, - {"%#q", `\n`, "`\\n`"}, - {"%q", "abc", `"abc"`}, - {"%#q", "abc", "`abc`"}, - {"%q", "日本語", `"日本語"`}, - {"%+q", "日本語", `"\u65e5\u672c\u8a9e"`}, - {"%#q", "日本語", "`日本語`"}, - {"%#+q", "日本語", "`日本語`"}, - {"%q", "\a\b\f\n\r\t\v\"\\", `"\a\b\f\n\r\t\v\"\\"`}, - {"%+q", "\a\b\f\n\r\t\v\"\\", `"\a\b\f\n\r\t\v\"\\"`}, - {"%#q", "\a\b\f\n\r\t\v\"\\", `"\a\b\f\n\r\t\v\"\\"`}, - {"%#+q", "\a\b\f\n\r\t\v\"\\", `"\a\b\f\n\r\t\v\"\\"`}, - {"%q", "☺", `"☺"`}, - {"% q", "☺", `"☺"`}, // The space modifier should have no effect. - {"%+q", "☺", `"\u263a"`}, - {"%#q", "☺", "`☺`"}, - {"%#+q", "☺", "`☺`"}, - {"%10q", "⌘", ` "⌘"`}, - {"%+10q", "⌘", ` "\u2318"`}, - {"%-10q", "⌘", `"⌘" `}, - {"%+-10q", "⌘", `"\u2318" `}, - {"%010q", "⌘", `0000000"⌘"`}, - {"%+010q", "⌘", `00"\u2318"`}, - {"%-010q", "⌘", `"⌘" `}, // 0 has no effect when - is present. - {"%+-010q", "⌘", `"\u2318" `}, - {"%#8q", "\n", ` "\n"`}, - {"%#+8q", "\r", ` "\r"`}, - {"%#-8q", "\t", "` ` "}, - {"%#+-8q", "\b", `"\b" `}, - {"%q", "abc\xffdef", `"abc\xffdef"`}, - {"%+q", "abc\xffdef", `"abc\xffdef"`}, - {"%#q", "abc\xffdef", `"abc\xffdef"`}, - {"%#+q", "abc\xffdef", `"abc\xffdef"`}, - // Runes that are not printable. - {"%q", "\U0010ffff", `"\U0010ffff"`}, - {"%+q", "\U0010ffff", `"\U0010ffff"`}, - {"%#q", "\U0010ffff", "`􏿿`"}, - {"%#+q", "\U0010ffff", "`􏿿`"}, - // Runes that are not valid. - {"%q", string(0x110000), `"�"`}, - {"%+q", string(0x110000), `"\ufffd"`}, - {"%#q", string(0x110000), "`�`"}, - {"%#+q", string(0x110000), "`�`"}, - - // characters - {"%c", uint('x'), "x"}, - {"%c", 0xe4, "ä"}, - {"%c", 0x672c, "本"}, - {"%c", '日', "日"}, - {"%.0c", '⌘', "⌘"}, // Specifying precision should have no effect. - {"%3c", '⌘', " ⌘"}, - {"%-3c", '⌘', "⌘ "}, - // Runes that are not printable. - {"%c", '\U00000e00', "\u0e00"}, - {"%c", '\U0010ffff', "\U0010ffff"}, - // Runes that are not valid. - {"%c", -1, "�"}, - {"%c", 0xDC80, "�"}, - {"%c", rune(0x110000), "�"}, - {"%c", int64(0xFFFFFFFFF), "�"}, - {"%c", uint64(0xFFFFFFFFF), "�"}, - - // escaped characters - {"%q", uint(0), `'\x00'`}, - {"%+q", uint(0), `'\x00'`}, - {"%q", '"', `'"'`}, - {"%+q", '"', `'"'`}, - {"%q", '\'', `'\''`}, - {"%+q", '\'', `'\''`}, - {"%q", '`', "'`'"}, - {"%+q", '`', "'`'"}, - {"%q", 'x', `'x'`}, - {"%+q", 'x', `'x'`}, - {"%q", 'ÿ', `'ÿ'`}, - {"%+q", 'ÿ', `'\u00ff'`}, - {"%q", '\n', `'\n'`}, - {"%+q", '\n', `'\n'`}, - {"%q", '☺', `'☺'`}, - {"%+q", '☺', `'\u263a'`}, - {"% q", '☺', `'☺'`}, // The space modifier should have no effect. - {"%.0q", '☺', `'☺'`}, // Specifying precision should have no effect. - {"%10q", '⌘', ` '⌘'`}, - {"%+10q", '⌘', ` '\u2318'`}, - {"%-10q", '⌘', `'⌘' `}, - {"%+-10q", '⌘', `'\u2318' `}, - {"%010q", '⌘', `0000000'⌘'`}, - {"%+010q", '⌘', `00'\u2318'`}, - {"%-010q", '⌘', `'⌘' `}, // 0 has no effect when - is present. - {"%+-010q", '⌘', `'\u2318' `}, - // Runes that are not printable. - {"%q", '\U00000e00', `'\u0e00'`}, - {"%q", '\U0010ffff', `'\U0010ffff'`}, - // Runes that are not valid. - {"%q", int32(-1), "%!q(int32=-1)"}, - {"%q", 0xDC80, `'�'`}, - {"%q", rune(0x110000), "%!q(int32=1,114,112)"}, - {"%q", int64(0xFFFFFFFFF), "%!q(int64=68,719,476,735)"}, - {"%q", uint64(0xFFFFFFFFF), "%!q(uint64=68,719,476,735)"}, - - // width - {"%5s", "abc", " abc"}, - {"%2s", "\u263a", " ☺"}, - {"%-5s", "abc", "abc "}, - {"%-8q", "abc", `"abc" `}, - {"%05s", "abc", "00abc"}, - {"%08q", "abc", `000"abc"`}, - {"%5s", "abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz"}, - {"%.5s", "abcdefghijklmnopqrstuvwxyz", "abcde"}, - {"%.0s", "日本語日本語", ""}, - {"%.5s", "日本語日本語", "日本語日本"}, - {"%.10s", "日本語日本語", "日本語日本語"}, - {"%.5s", []byte("日本語日本語"), "日本語日本"}, - {"%.5q", "abcdefghijklmnopqrstuvwxyz", `"abcde"`}, - {"%.5x", "abcdefghijklmnopqrstuvwxyz", "6162636465"}, - {"%.5q", []byte("abcdefghijklmnopqrstuvwxyz"), `"abcde"`}, - {"%.5x", []byte("abcdefghijklmnopqrstuvwxyz"), "6162636465"}, - {"%.3q", "日本語日本語", `"日本語"`}, - {"%.3q", []byte("日本語日本語"), `"日本語"`}, - {"%.1q", "日本語", `"日"`}, - {"%.1q", []byte("日本語"), `"日"`}, - {"%.1x", "日本語", "e6"}, - {"%.1X", []byte("日本語"), "E6"}, - {"%10.1q", "日本語日本語", ` "日"`}, - {"%10v", nil, " "}, - {"%-10v", nil, " "}, - - // integers - {"%d", uint(12345), "12,345"}, - {"%d", int(-12345), "-12,345"}, - {"%d", ^uint8(0), "255"}, - {"%d", ^uint16(0), "65,535"}, - {"%d", ^uint32(0), "4,294,967,295"}, - {"%d", ^uint64(0), "18,446,744,073,709,551,615"}, - {"%d", int8(-1 << 7), "-128"}, - {"%d", int16(-1 << 15), "-32,768"}, - {"%d", int32(-1 << 31), "-2,147,483,648"}, - {"%d", int64(-1 << 63), "-9,223,372,036,854,775,808"}, - {"%.d", 0, ""}, - {"%.0d", 0, ""}, - {"%6.0d", 0, " "}, - {"%06.0d", 0, " "}, - {"% d", 12345, " 12,345"}, - {"%+d", 12345, "+12,345"}, - {"%+d", -12345, "-12,345"}, - {"%b", 7, "111"}, - {"%b", -6, "-110"}, - {"%b", ^uint32(0), "11111111111111111111111111111111"}, - {"%b", ^uint64(0), "1111111111111111111111111111111111111111111111111111111111111111"}, - {"%b", int64(-1 << 63), zeroFill("-1", 63, "")}, - {"%o", 01234, "1234"}, - {"%#o", 01234, "01234"}, - {"%o", ^uint32(0), "37777777777"}, - {"%o", ^uint64(0), "1777777777777777777777"}, - {"%#X", 0, "0X0"}, - {"%x", 0x12abcdef, "12abcdef"}, - {"%X", 0x12abcdef, "12ABCDEF"}, - {"%x", ^uint32(0), "ffffffff"}, - {"%X", ^uint64(0), "FFFFFFFFFFFFFFFF"}, - {"%.20b", 7, "00000000000000000111"}, - {"%10d", 12345, " 12,345"}, - {"%10d", -12345, " -12,345"}, - {"%+10d", 12345, " +12,345"}, - {"%010d", 12345, "0,000,012,345"}, - {"%010d", -12345, "-0,000,012,345"}, - {"%20.8d", 1234, " 00,001,234"}, - {"%20.8d", -1234, " -00,001,234"}, - {"%020.8d", 1234, " 00,001,234"}, - {"%020.8d", -1234, " -00,001,234"}, - {"%-20.8d", 1234, "00,001,234 "}, - {"%-20.8d", -1234, "-00,001,234 "}, - {"%-#20.8x", 0x1234abc, "0x01234abc "}, - {"%-#20.8X", 0x1234abc, "0X01234ABC "}, - {"%-#20.8o", 01234, "00001234 "}, - - // Test correct f.intbuf overflow checks. - {"%068d", 1, "00," + strings.Repeat("000,", 21) + "001"}, - {"%068d", -1, "-00," + strings.Repeat("000,", 21) + "001"}, - {"%#.68x", 42, zeroFill("0x", 68, "2a")}, - {"%.68d", -42, "-00," + strings.Repeat("000,", 21) + "042"}, - {"%+.68d", 42, "+00," + strings.Repeat("000,", 21) + "042"}, - {"% .68d", 42, " 00," + strings.Repeat("000,", 21) + "042"}, - {"% +.68d", 42, "+00," + strings.Repeat("000,", 21) + "042"}, - - // unicode format - {"%U", 0, "U+0000"}, - {"%U", -1, "U+FFFFFFFFFFFFFFFF"}, - {"%U", '\n', `U+000A`}, - {"%#U", '\n', `U+000A`}, - {"%+U", 'x', `U+0078`}, // Plus flag should have no effect. - {"%# U", 'x', `U+0078 'x'`}, // Space flag should have no effect. - {"%#.2U", 'x', `U+0078 'x'`}, // Precisions below 4 should print 4 digits. - {"%U", '\u263a', `U+263A`}, - {"%#U", '\u263a', `U+263A '☺'`}, - {"%U", '\U0001D6C2', `U+1D6C2`}, - {"%#U", '\U0001D6C2', `U+1D6C2 '𝛂'`}, - {"%#14.6U", '⌘', " U+002318 '⌘'"}, - {"%#-14.6U", '⌘', "U+002318 '⌘' "}, - {"%#014.6U", '⌘', " U+002318 '⌘'"}, - {"%#-014.6U", '⌘', "U+002318 '⌘' "}, - {"%.68U", uint(42), zeroFill("U+", 68, "2A")}, - {"%#.68U", '日', zeroFill("U+", 68, "65E5") + " '日'"}, - - // floats - {"%+.3e", 0.0, "+0.000\u202f×\u202f10⁰⁰"}, - {"%+.3e", 1.0, "+1.000\u202f×\u202f10⁰⁰"}, - {"%+.3f", -1.0, "-1.000"}, - {"%+.3F", -1.0, "-1.000"}, - {"%+.3F", float32(-1.0), "-1.000"}, - {"%+07.2f", 1.0, "+001.00"}, - {"%+07.2f", -1.0, "-001.00"}, - {"%-07.2f", 1.0, "1.00 "}, - {"%-07.2f", -1.0, "-1.00 "}, - {"%+-07.2f", 1.0, "+1.00 "}, - {"%+-07.2f", -1.0, "-1.00 "}, - {"%-+07.2f", 1.0, "+1.00 "}, - {"%-+07.2f", -1.0, "-1.00 "}, - {"%+10.2f", +1.0, " +1.00"}, - {"%+10.2f", -1.0, " -1.00"}, - {"% .3E", -1.0, "-1.000\u202f×\u202f10⁰⁰"}, - {"% .3e", 1.0, " 1.000\u202f×\u202f10⁰⁰"}, - {"%+.3g", 0.0, "+0"}, - {"%+.3g", 1.0, "+1"}, - {"%+.3g", -1.0, "-1"}, - {"% .3g", -1.0, "-1"}, - {"% .3g", 1.0, " 1"}, - {"%b", float32(1.0), "8388608p-23"}, - {"%b", 1.0, "4503599627370496p-52"}, - // Test sharp flag used with floats. - {"%#g", 1e-323, "1.00000e-323"}, - {"%#g", -1.0, "-1.00000"}, - {"%#g", 1.1, "1.10000"}, - {"%#g", 123456.0, "123456."}, - {"%#g", 1234567.0, "1.234567e+06"}, - {"%#g", 1230000.0, "1.23000e+06"}, - {"%#g", 1000000.0, "1.00000e+06"}, - {"%#.0f", 1.0, "1."}, - {"%#.0e", 1.0, "1.e+00"}, - {"%#.0g", 1.0, "1."}, - {"%#.0g", 1100000.0, "1.e+06"}, - {"%#.4f", 1.0, "1.0000"}, - {"%#.4e", 1.0, "1.0000e+00"}, - {"%#.4g", 1.0, "1.000"}, - {"%#.4g", 100000.0, "1.000e+05"}, - {"%#.0f", 123.0, "123."}, - {"%#.0e", 123.0, "1.e+02"}, - {"%#.0g", 123.0, "1.e+02"}, - {"%#.4f", 123.0, "123.0000"}, - {"%#.4e", 123.0, "1.2300e+02"}, - {"%#.4g", 123.0, "123.0"}, - {"%#.4g", 123000.0, "1.230e+05"}, - {"%#9.4g", 1.0, " 1.000"}, - // The sharp flag has no effect for binary float format. - {"%#b", 1.0, "4503599627370496p-52"}, - // Precision has no effect for binary float format. - {"%.4b", float32(1.0), "8388608p-23"}, - {"%.4b", -1.0, "-4503599627370496p-52"}, - // Test correct f.intbuf boundary checks. - {"%.68f", 1.0, zeroFill("1.", 68, "")}, - {"%.68f", -1.0, zeroFill("-1.", 68, "")}, - // float infinites and NaNs - {"%f", posInf, "∞"}, - {"%.1f", negInf, "-∞"}, - {"% f", NaN, "NaN"}, - {"%20f", posInf, " ∞"}, - {"% 20F", posInf, " ∞"}, - {"% 20e", negInf, " -∞"}, - {"%+20E", negInf, " -∞"}, - {"% +20g", negInf, " -∞"}, - {"%+-20G", posInf, "+∞ "}, - {"%20e", NaN, " NaN"}, - {"% +20E", NaN, " NaN"}, - {"% -20g", NaN, "NaN "}, - {"%+-20G", NaN, "NaN "}, - // Zero padding does not apply to infinities and NaN. - {"%+020e", posInf, " +∞"}, - {"%-020f", negInf, "-∞ "}, - {"%-020E", NaN, "NaN "}, - - // complex values - {"%.f", 0i, "(0+0i)"}, - {"% .f", 0i, "( 0+0i)"}, - {"%+.f", 0i, "(+0+0i)"}, - {"% +.f", 0i, "(+0+0i)"}, - {"%+.3e", 0i, "(+0.000\u202f×\u202f10⁰⁰+0.000\u202f×\u202f10⁰⁰i)"}, - {"%+.3f", 0i, "(+0.000+0.000i)"}, - {"%+.3g", 0i, "(+0+0i)"}, - {"%+.3e", 1 + 2i, "(+1.000\u202f×\u202f10⁰⁰+2.000\u202f×\u202f10⁰⁰i)"}, - {"%+.3f", 1 + 2i, "(+1.000+2.000i)"}, - {"%+.3g", 1 + 2i, "(+1+2i)"}, - {"%.3e", 0i, "(0.000\u202f×\u202f10⁰⁰+0.000\u202f×\u202f10⁰⁰i)"}, - {"%.3f", 0i, "(0.000+0.000i)"}, - {"%.3F", 0i, "(0.000+0.000i)"}, - {"%.3F", complex64(0i), "(0.000+0.000i)"}, - {"%.3g", 0i, "(0+0i)"}, - {"%.3e", 1 + 2i, "(1.000\u202f×\u202f10⁰⁰+2.000\u202f×\u202f10⁰⁰i)"}, - {"%.3f", 1 + 2i, "(1.000+2.000i)"}, - {"%.3g", 1 + 2i, "(1+2i)"}, - {"%.3e", -1 - 2i, "(-1.000\u202f×\u202f10⁰⁰-2.000\u202f×\u202f10⁰⁰i)"}, - {"%.3f", -1 - 2i, "(-1.000-2.000i)"}, - {"%.3g", -1 - 2i, "(-1-2i)"}, - {"% .3E", -1 - 2i, "(-1.000\u202f×\u202f10⁰⁰-2.000\u202f×\u202f10⁰⁰i)"}, - {"%+.3g", 1 + 2i, "(+1+2i)"}, - {"%+.3g", complex64(1 + 2i), "(+1+2i)"}, - {"%#g", 1 + 2i, "(1.00000+2.00000i)"}, - {"%#g", 123456 + 789012i, "(123456.+789012.i)"}, - {"%#g", 1e-10i, "(0.00000+1.00000e-10i)"}, - {"%#g", -1e10 - 1.11e100i, "(-1.00000e+10-1.11000e+100i)"}, - {"%#.0f", 1.23 + 1.0i, "(1.+1.i)"}, - {"%#.0e", 1.23 + 1.0i, "(1.e+00+1.e+00i)"}, - {"%#.0g", 1.23 + 1.0i, "(1.+1.i)"}, - {"%#.0g", 0 + 100000i, "(0.+1.e+05i)"}, - {"%#.0g", 1230000 + 0i, "(1.e+06+0.i)"}, - {"%#.4f", 1 + 1.23i, "(1.0000+1.2300i)"}, - {"%#.4e", 123 + 1i, "(1.2300e+02+1.0000e+00i)"}, - {"%#.4g", 123 + 1.23i, "(123.0+1.230i)"}, - {"%#12.5g", 0 + 100000i, "( 0.0000 +1.0000e+05i)"}, - {"%#12.5g", 1230000 - 0i, "( 1.2300e+06 +0.0000i)"}, - {"%b", 1 + 2i, "(4503599627370496p-52+4503599627370496p-51i)"}, - {"%b", complex64(1 + 2i), "(8388608p-23+8388608p-22i)"}, - // The sharp flag has no effect for binary complex format. - {"%#b", 1 + 2i, "(4503599627370496p-52+4503599627370496p-51i)"}, - // Precision has no effect for binary complex format. - {"%.4b", 1 + 2i, "(4503599627370496p-52+4503599627370496p-51i)"}, - {"%.4b", complex64(1 + 2i), "(8388608p-23+8388608p-22i)"}, - // complex infinites and NaNs - {"%f", complex(posInf, posInf), "(∞+∞i)"}, - {"%f", complex(negInf, negInf), "(-∞-∞i)"}, - {"%f", complex(NaN, NaN), "(NaN+NaNi)"}, - {"%.1f", complex(posInf, posInf), "(∞+∞i)"}, - {"% f", complex(posInf, posInf), "( ∞+∞i)"}, - {"% f", complex(negInf, negInf), "(-∞-∞i)"}, - {"% f", complex(NaN, NaN), "(NaN+NaNi)"}, - {"%8e", complex(posInf, posInf), "( ∞ +∞i)"}, - {"% 8E", complex(posInf, posInf), "( ∞ +∞i)"}, - {"%+8f", complex(negInf, negInf), "( -∞ -∞i)"}, - {"% +8g", complex(negInf, negInf), "( -∞ -∞i)"}, // TODO(g) - {"% -8G", complex(NaN, NaN), "(NaN +NaN i)"}, - {"%+-8b", complex(NaN, NaN), "(+NaN +NaN i)"}, - // Zero padding does not apply to infinities and NaN. - {"%08f", complex(posInf, posInf), "( ∞ +∞i)"}, - {"%-08g", complex(negInf, negInf), "(-∞ -∞ i)"}, - {"%-08G", complex(NaN, NaN), "(NaN +NaN i)"}, - - // old test/fmt_test.go - {"%e", 1.0, "1.000000\u202f×\u202f10⁰⁰"}, - {"%e", 1234.5678e3, "1.234568\u202f×\u202f10⁰⁶"}, - {"%e", 1234.5678e-8, "1.234568\u202f×\u202f10⁻⁰⁵"}, - {"%e", -7.0, "-7.000000\u202f×\u202f10⁰⁰"}, - {"%e", -1e-9, "-1.000000\u202f×\u202f10⁻⁰⁹"}, - {"%f", 1234.5678e3, "1,234,567.800000"}, - {"%f", 1234.5678e-8, "0.000012"}, - {"%f", -7.0, "-7.000000"}, - {"%f", -1e-9, "-0.000000"}, - {"%g", 1234.5678e3, "1.2345678\u202f×\u202f10⁰⁶"}, - {"%g", float32(1234.5678e3), "1.2345678\u202f×\u202f10⁰⁶"}, - {"%g", 1234.5678e-8, "1.2345678\u202f×\u202f10⁻⁰⁵"}, - {"%g", -7.0, "-7"}, - {"%g", -1e-9, "-1\u202f×\u202f10⁻⁰⁹"}, - {"%g", float32(-1e-9), "-1\u202f×\u202f10⁻⁰⁹"}, - {"%E", 1.0, "1.000000\u202f×\u202f10⁰⁰"}, - {"%E", 1234.5678e3, "1.234568\u202f×\u202f10⁰⁶"}, - {"%E", 1234.5678e-8, "1.234568\u202f×\u202f10⁻⁰⁵"}, - {"%E", -7.0, "-7.000000\u202f×\u202f10⁰⁰"}, - {"%E", -1e-9, "-1.000000\u202f×\u202f10⁻⁰⁹"}, - {"%G", 1234.5678e3, "1.2345678\u202f×\u202f10⁰⁶"}, - {"%G", float32(1234.5678e3), "1.2345678\u202f×\u202f10⁰⁶"}, - {"%G", 1234.5678e-8, "1.2345678\u202f×\u202f10⁻⁰⁵"}, - {"%G", -7.0, "-7"}, - {"%G", -1e-9, "-1\u202f×\u202f10⁻⁰⁹"}, - {"%G", float32(-1e-9), "-1\u202f×\u202f10⁻⁰⁹"}, - {"%20.5s", "qwertyuiop", " qwert"}, - {"%.5s", "qwertyuiop", "qwert"}, - {"%-20.5s", "qwertyuiop", "qwert "}, - {"%20c", 'x', " x"}, - {"%-20c", 'x', "x "}, - {"%20.6e", 1.2345e3, " 1.234500\u202f×\u202f10⁰³"}, - {"%20.6e", 1.2345e-3, " 1.234500\u202f×\u202f10⁻⁰³"}, - {"%20e", 1.2345e3, " 1.234500\u202f×\u202f10⁰³"}, - {"%20e", 1.2345e-3, " 1.234500\u202f×\u202f10⁻⁰³"}, - {"%20.8e", 1.2345e3, " 1.23450000\u202f×\u202f10⁰³"}, - {"%20f", 1.23456789e3, " 1,234.567890"}, - {"%20f", 1.23456789e-3, " 0.001235"}, - {"%20f", 12345678901.23456789, "12,345,678,901.234568"}, - {"%-20f", 1.23456789e3, "1,234.567890 "}, - {"%20.8f", 1.23456789e3, " 1,234.56789000"}, - {"%20.8f", 1.23456789e-3, " 0.00123457"}, - {"%g", 1.23456789e3, "1,234.56789"}, - {"%g", 1.23456789e-3, "0.00123456789"}, - {"%g", 1.23456789e20, "1.23456789\u202f×\u202f10²⁰"}, - - // arrays - {"%v", array, "[1 2 3 4 5]"}, - {"%v", iarray, "[1 hello 2.5 ]"}, - {"%v", barray, "[1 2 3 4 5]"}, - {"%v", &array, "&[1 2 3 4 5]"}, - {"%v", &iarray, "&[1 hello 2.5 ]"}, - {"%v", &barray, "&[1 2 3 4 5]"}, - - // slices - {"%v", slice, "[1 2 3 4 5]"}, - {"%v", islice, "[1 hello 2.5 ]"}, - {"%v", bslice, "[1 2 3 4 5]"}, - {"%v", &slice, "&[1 2 3 4 5]"}, - {"%v", &islice, "&[1 hello 2.5 ]"}, - {"%v", &bslice, "&[1 2 3 4 5]"}, - - // byte arrays and slices with %b,%c,%d,%o,%U and %v - {"%b", [3]byte{65, 66, 67}, "[1000001 1000010 1000011]"}, - {"%c", [3]byte{65, 66, 67}, "[A B C]"}, - {"%d", [3]byte{65, 66, 67}, "[65 66 67]"}, - {"%o", [3]byte{65, 66, 67}, "[101 102 103]"}, - {"%U", [3]byte{65, 66, 67}, "[U+0041 U+0042 U+0043]"}, - {"%v", [3]byte{65, 66, 67}, "[65 66 67]"}, - {"%v", [1]byte{123}, "[123]"}, - {"%012v", []byte{}, "[]"}, - {"%#012v", []byte{}, "[]byte{}"}, - {"%6v", []byte{1, 11, 111}, "[ 1 11 111]"}, - {"%06v", []byte{1, 11, 111}, "[000001 000011 000111]"}, - {"%-6v", []byte{1, 11, 111}, "[1 11 111 ]"}, - {"%-06v", []byte{1, 11, 111}, "[1 11 111 ]"}, - {"%#v", []byte{1, 11, 111}, "[]byte{0x1, 0xb, 0x6f}"}, - {"%#6v", []byte{1, 11, 111}, "[]byte{ 0x1, 0xb, 0x6f}"}, - {"%#06v", []byte{1, 11, 111}, "[]byte{0x000001, 0x00000b, 0x00006f}"}, - {"%#-6v", []byte{1, 11, 111}, "[]byte{0x1 , 0xb , 0x6f }"}, - {"%#-06v", []byte{1, 11, 111}, "[]byte{0x1 , 0xb , 0x6f }"}, - // f.space should and f.plus should not have an effect with %v. - {"% v", []byte{1, 11, 111}, "[ 1 11 111]"}, - {"%+v", [3]byte{1, 11, 111}, "[1 11 111]"}, - {"%# -6v", []byte{1, 11, 111}, "[]byte{ 0x1 , 0xb , 0x6f }"}, - {"%#+-6v", [3]byte{1, 11, 111}, "[3]uint8{0x1 , 0xb , 0x6f }"}, - // f.space and f.plus should have an effect with %d. - {"% d", []byte{1, 11, 111}, "[ 1 11 111]"}, - {"%+d", [3]byte{1, 11, 111}, "[+1 +11 +111]"}, - {"%# -6d", []byte{1, 11, 111}, "[ 1 11 111 ]"}, - {"%#+-6d", [3]byte{1, 11, 111}, "[+1 +11 +111 ]"}, - - // floates with %v - {"%v", 1.2345678, "1.2345678"}, - {"%v", float32(1.2345678), "1.2345678"}, - - // complexes with %v - {"%v", 1 + 2i, "(1+2i)"}, - {"%v", complex64(1 + 2i), "(1+2i)"}, - - // structs - {"%v", A{1, 2, "a", []int{1, 2}}, `{1 2 a [1 2]}`}, - {"%+v", A{1, 2, "a", []int{1, 2}}, `{i:1 j:2 s:a x:[1 2]}`}, - - // +v on structs with Stringable items - {"%+v", B{1, 2}, `{I:<1> j:2}`}, - {"%+v", C{1, B{2, 3}}, `{i:1 B:{I:<2> j:3}}`}, - - // other formats on Stringable items - {"%s", I(23), `<23>`}, - {"%q", I(23), `"<23>"`}, - {"%x", I(23), `3c32333e`}, - {"%#x", I(23), `0x3c32333e`}, - {"%# x", I(23), `0x3c 0x32 0x33 0x3e`}, - // Stringer applies only to string formats. - {"%d", I(23), `23`}, - // Stringer applies to the extracted value. - {"%s", reflect.ValueOf(I(23)), `<23>`}, - - // go syntax - {"%#v", A{1, 2, "a", []int{1, 2}}, `message.A{i:1, j:0x2, s:"a", x:[]int{1, 2}}`}, - {"%#v", new(byte), "(*uint8)(0xPTR)"}, - {"%#v", TestFmtInterface, "(func(*testing.T))(0xPTR)"}, - {"%#v", make(chan int), "(chan int)(0xPTR)"}, - {"%#v", uint64(1<<64 - 1), "0xffffffffffffffff"}, - {"%#v", 1000000000, "1000000000"}, - {"%#v", map[string]int{"a": 1}, `map[string]int{"a":1}`}, - {"%#v", map[string]B{"a": {1, 2}}, `map[string]message.B{"a":message.B{I:1, j:2}}`}, - {"%#v", []string{"a", "b"}, `[]string{"a", "b"}`}, - {"%#v", SI{}, `message.SI{I:interface {}(nil)}`}, - {"%#v", []int(nil), `[]int(nil)`}, - {"%#v", []int{}, `[]int{}`}, - {"%#v", array, `[5]int{1, 2, 3, 4, 5}`}, - {"%#v", &array, `&[5]int{1, 2, 3, 4, 5}`}, - {"%#v", iarray, `[4]interface {}{1, "hello", 2.5, interface {}(nil)}`}, - {"%#v", &iarray, `&[4]interface {}{1, "hello", 2.5, interface {}(nil)}`}, - {"%#v", map[int]byte(nil), `map[int]uint8(nil)`}, - {"%#v", map[int]byte{}, `map[int]uint8{}`}, - {"%#v", "foo", `"foo"`}, - {"%#v", barray, `[5]message.renamedUint8{0x1, 0x2, 0x3, 0x4, 0x5}`}, - {"%#v", bslice, `[]message.renamedUint8{0x1, 0x2, 0x3, 0x4, 0x5}`}, - {"%#v", []int32(nil), "[]int32(nil)"}, - {"%#v", 1.2345678, "1.2345678"}, - {"%#v", float32(1.2345678), "1.2345678"}, - // Only print []byte and []uint8 as type []byte if they appear at the top level. - {"%#v", []byte(nil), "[]byte(nil)"}, - {"%#v", []uint8(nil), "[]byte(nil)"}, - {"%#v", []byte{}, "[]byte{}"}, - {"%#v", []uint8{}, "[]byte{}"}, - {"%#v", reflect.ValueOf([]byte{}), "[]uint8{}"}, - {"%#v", reflect.ValueOf([]uint8{}), "[]uint8{}"}, - {"%#v", &[]byte{}, "&[]uint8{}"}, - {"%#v", &[]byte{}, "&[]uint8{}"}, - {"%#v", [3]byte{}, "[3]uint8{0x0, 0x0, 0x0}"}, - {"%#v", [3]uint8{}, "[3]uint8{0x0, 0x0, 0x0}"}, - - // slices with other formats - {"%#x", []int{1, 2, 15}, `[0x1 0x2 0xf]`}, - {"%x", []int{1, 2, 15}, `[1 2 f]`}, - {"%d", []int{1, 2, 15}, `[1 2 15]`}, - {"%d", []byte{1, 2, 15}, `[1 2 15]`}, - {"%q", []string{"a", "b"}, `["a" "b"]`}, - {"% 02x", []byte{1}, "01"}, - {"% 02x", []byte{1, 2, 3}, "01 02 03"}, - - // Padding with byte slices. - {"%2x", []byte{}, " "}, - {"%#2x", []byte{}, " "}, - {"% 02x", []byte{}, "00"}, - {"%# 02x", []byte{}, "00"}, - {"%-2x", []byte{}, " "}, - {"%-02x", []byte{}, " "}, - {"%8x", []byte{0xab}, " ab"}, - {"% 8x", []byte{0xab}, " ab"}, - {"%#8x", []byte{0xab}, " 0xab"}, - {"%# 8x", []byte{0xab}, " 0xab"}, - {"%08x", []byte{0xab}, "000000ab"}, - {"% 08x", []byte{0xab}, "000000ab"}, - {"%#08x", []byte{0xab}, "00000xab"}, - {"%# 08x", []byte{0xab}, "00000xab"}, - {"%10x", []byte{0xab, 0xcd}, " abcd"}, - {"% 10x", []byte{0xab, 0xcd}, " ab cd"}, - {"%#10x", []byte{0xab, 0xcd}, " 0xabcd"}, - {"%# 10x", []byte{0xab, 0xcd}, " 0xab 0xcd"}, - {"%010x", []byte{0xab, 0xcd}, "000000abcd"}, - {"% 010x", []byte{0xab, 0xcd}, "00000ab cd"}, - {"%#010x", []byte{0xab, 0xcd}, "00000xabcd"}, - {"%# 010x", []byte{0xab, 0xcd}, "00xab 0xcd"}, - {"%-10X", []byte{0xab}, "AB "}, - {"% -010X", []byte{0xab}, "AB "}, - {"%#-10X", []byte{0xab, 0xcd}, "0XABCD "}, - {"%# -010X", []byte{0xab, 0xcd}, "0XAB 0XCD "}, - // Same for strings - {"%2x", "", " "}, - {"%#2x", "", " "}, - {"% 02x", "", "00"}, - {"%# 02x", "", "00"}, - {"%-2x", "", " "}, - {"%-02x", "", " "}, - {"%8x", "\xab", " ab"}, - {"% 8x", "\xab", " ab"}, - {"%#8x", "\xab", " 0xab"}, - {"%# 8x", "\xab", " 0xab"}, - {"%08x", "\xab", "000000ab"}, - {"% 08x", "\xab", "000000ab"}, - {"%#08x", "\xab", "00000xab"}, - {"%# 08x", "\xab", "00000xab"}, - {"%10x", "\xab\xcd", " abcd"}, - {"% 10x", "\xab\xcd", " ab cd"}, - {"%#10x", "\xab\xcd", " 0xabcd"}, - {"%# 10x", "\xab\xcd", " 0xab 0xcd"}, - {"%010x", "\xab\xcd", "000000abcd"}, - {"% 010x", "\xab\xcd", "00000ab cd"}, - {"%#010x", "\xab\xcd", "00000xabcd"}, - {"%# 010x", "\xab\xcd", "00xab 0xcd"}, - {"%-10X", "\xab", "AB "}, - {"% -010X", "\xab", "AB "}, - {"%#-10X", "\xab\xcd", "0XABCD "}, - {"%# -010X", "\xab\xcd", "0XAB 0XCD "}, - - // renamings - {"%v", renamedBool(true), "true"}, - {"%d", renamedBool(true), "%!d(message.renamedBool=true)"}, - {"%o", renamedInt(8), "10"}, - {"%d", renamedInt8(-9), "-9"}, - {"%v", renamedInt16(10), "10"}, - {"%v", renamedInt32(-11), "-11"}, - {"%X", renamedInt64(255), "FF"}, - {"%v", renamedUint(13), "13"}, - {"%o", renamedUint8(14), "16"}, - {"%X", renamedUint16(15), "F"}, - {"%d", renamedUint32(16), "16"}, - {"%X", renamedUint64(17), "11"}, - {"%o", renamedUintptr(18), "22"}, - {"%x", renamedString("thing"), "7468696e67"}, - {"%d", renamedBytes([]byte{1, 2, 15}), `[1 2 15]`}, - {"%q", renamedBytes([]byte("hello")), `"hello"`}, - {"%x", []renamedUint8{'h', 'e', 'l', 'l', 'o'}, "68656c6c6f"}, - {"%X", []renamedUint8{'h', 'e', 'l', 'l', 'o'}, "68656C6C6F"}, - {"%s", []renamedUint8{'h', 'e', 'l', 'l', 'o'}, "hello"}, - {"%q", []renamedUint8{'h', 'e', 'l', 'l', 'o'}, `"hello"`}, - {"%v", renamedFloat32(22), "22"}, - {"%v", renamedFloat64(33), "33"}, - {"%v", renamedComplex64(3 + 4i), "(3+4i)"}, - {"%v", renamedComplex128(4 - 3i), "(4-3i)"}, - - // Formatter - {"%x", F(1), ""}, - {"%x", G(2), "2"}, - {"%+v", S{F(4), G(5)}, "{F: G:5}"}, - - // GoStringer - {"%#v", G(6), "GoString(6)"}, - {"%#v", S{F(7), G(8)}, "message.S{F:, G:GoString(8)}"}, - - // %T - {"%T", byte(0), "uint8"}, - {"%T", reflect.ValueOf(nil), "reflect.Value"}, - {"%T", (4 - 3i), "complex128"}, - {"%T", renamedComplex128(4 - 3i), "message.renamedComplex128"}, - {"%T", intVar, "int"}, - {"%6T", &intVar, " *int"}, - {"%10T", nil, " "}, - {"%-10T", nil, " "}, - - // %p with pointers - {"%p", (*int)(nil), "0x0"}, - {"%#p", (*int)(nil), "0"}, - {"%p", &intVar, "0xPTR"}, - {"%#p", &intVar, "PTR"}, - {"%p", &array, "0xPTR"}, - {"%p", &slice, "0xPTR"}, - {"%8.2p", (*int)(nil), " 0x00"}, - {"%-20.16p", &intVar, "0xPTR "}, - // %p on non-pointers - {"%p", make(chan int), "0xPTR"}, - {"%p", make(map[int]int), "0xPTR"}, - {"%p", func() {}, "0xPTR"}, - {"%p", 27, "%!p(int=27)"}, // not a pointer at all - {"%p", nil, "%!p()"}, // nil on its own has no type ... - {"%#p", nil, "%!p()"}, // ... and hence is not a pointer type. - // pointers with specified base - {"%b", &intVar, "PTR_b"}, - {"%d", &intVar, "PTR_d"}, - {"%o", &intVar, "PTR_o"}, - {"%x", &intVar, "PTR_x"}, - {"%X", &intVar, "PTR_X"}, - // %v on pointers - {"%v", nil, ""}, - {"%#v", nil, ""}, - {"%v", (*int)(nil), ""}, - {"%#v", (*int)(nil), "(*int)(nil)"}, - {"%v", &intVar, "0xPTR"}, - {"%#v", &intVar, "(*int)(0xPTR)"}, - {"%8.2v", (*int)(nil), " "}, - {"%-20.16v", &intVar, "0xPTR "}, - // string method on pointer - {"%s", &pValue, "String(p)"}, // String method... - {"%p", &pValue, "0xPTR"}, // ... is not called with %p. - - // %d on Stringer should give integer if possible - {"%s", time.Time{}.Month(), "January"}, - {"%d", time.Time{}.Month(), "1"}, - - // erroneous things - {"%s %", "hello", "hello %!(NOVERB)"}, - {"%s %.2", "hello", "hello %!(NOVERB)"}, - - // The "" show up because maps are printed by - // first obtaining a list of keys and then looking up - // each key. Since NaNs can be map keys but cannot - // be fetched directly, the lookup fails and returns a - // zero reflect.Value, which formats as . - // This test is just to check that it shows the two NaNs at all. - {"%v", map[float64]int{NaN: 1, NaN: 2}, "map[NaN: NaN:]"}, - - // Comparison of padding rules with C printf. - /* - C program: - #include - - char *format[] = { - "[%.2f]", - "[% .2f]", - "[%+.2f]", - "[%7.2f]", - "[% 7.2f]", - "[%+7.2f]", - "[% +7.2f]", - "[%07.2f]", - "[% 07.2f]", - "[%+07.2f]", - "[% +07.2f]" - }; - - int main(void) { - int i; - for(i = 0; i < 11; i++) { - printf("%s: ", format[i]); - printf(format[i], 1.0); - printf(" "); - printf(format[i], -1.0); - printf("\n"); - } - } - - Output: - [%.2f]: [1.00] [-1.00] - [% .2f]: [ 1.00] [-1.00] - [%+.2f]: [+1.00] [-1.00] - [%7.2f]: [ 1.00] [ -1.00] - [% 7.2f]: [ 1.00] [ -1.00] - [%+7.2f]: [ +1.00] [ -1.00] - [% +7.2f]: [ +1.00] [ -1.00] - [%07.2f]: [0001.00] [-001.00] - [% 07.2f]: [ 001.00] [-001.00] - [%+07.2f]: [+001.00] [-001.00] - [% +07.2f]: [+001.00] [-001.00] - - */ - {"%.2f", 1.0, "1.00"}, - {"%.2f", -1.0, "-1.00"}, - {"% .2f", 1.0, " 1.00"}, - {"% .2f", -1.0, "-1.00"}, - {"%+.2f", 1.0, "+1.00"}, - {"%+.2f", -1.0, "-1.00"}, - {"%7.2f", 1.0, " 1.00"}, - {"%7.2f", -1.0, " -1.00"}, - {"% 7.2f", 1.0, " 1.00"}, - {"% 7.2f", -1.0, " -1.00"}, - {"%+7.2f", 1.0, " +1.00"}, - {"%+7.2f", -1.0, " -1.00"}, - {"% +7.2f", 1.0, " +1.00"}, - {"% +7.2f", -1.0, " -1.00"}, - // Padding with 0's indicates minimum number of integer digits minus the - // period, if present, and minus the sign if it is fixed. - // TODO: consider making this number the number of significant digits. - {"%07.2f", 1.0, "0,001.00"}, - {"%07.2f", -1.0, "-0,001.00"}, - {"% 07.2f", 1.0, " 001.00"}, - {"% 07.2f", -1.0, "-001.00"}, - {"%+07.2f", 1.0, "+001.00"}, - {"%+07.2f", -1.0, "-001.00"}, - {"% +07.2f", 1.0, "+001.00"}, - {"% +07.2f", -1.0, "-001.00"}, - - // Complex numbers: exhaustively tested in TestComplexFormatting. - {"%7.2f", 1 + 2i, "( 1.00 +2.00i)"}, - {"%+07.2f", -1 - 2i, "(-001.00-002.00i)"}, - - // Use spaces instead of zero if padding to the right. - {"%0-5s", "abc", "abc "}, - {"%-05.1f", 1.0, "1.0 "}, - - // float and complex formatting should not change the padding width - // for other elements. See issue 14642. - {"%06v", []interface{}{+10.0, 10}, "[000,010 000,010]"}, - {"%06v", []interface{}{-10.0, 10}, "[-000,010 000,010]"}, - {"%06v", []interface{}{+10.0 + 10i, 10}, "[(000,010+00,010i) 000,010]"}, - {"%06v", []interface{}{-10.0 + 10i, 10}, "[(-000,010+00,010i) 000,010]"}, - - // integer formatting should not alter padding for other elements. - {"%03.6v", []interface{}{1, 2.0, "x"}, "[000,001 002 00x]"}, - {"%03.0v", []interface{}{0, 2.0, "x"}, "[ 002 000]"}, - - // Complex fmt used to leave the plus flag set for future entries in the array - // causing +2+0i and +3+0i instead of 2+0i and 3+0i. - {"%v", []complex64{1, 2, 3}, "[(1+0i) (2+0i) (3+0i)]"}, - {"%v", []complex128{1, 2, 3}, "[(1+0i) (2+0i) (3+0i)]"}, - - // Incomplete format specification caused crash. - {"%.", 3, "%!.(int=3)"}, - - // Padding for complex numbers. Has been bad, then fixed, then bad again. - {"%+10.2f", +104.66 + 440.51i, "( +104.66 +440.51i)"}, - {"%+10.2f", -104.66 + 440.51i, "( -104.66 +440.51i)"}, - {"%+10.2f", +104.66 - 440.51i, "( +104.66 -440.51i)"}, - {"%+10.2f", -104.66 - 440.51i, "( -104.66 -440.51i)"}, - {"%010.2f", +104.66 + 440.51i, "(0,000,104.66+000,440.51i)"}, - {"%+010.2f", +104.66 + 440.51i, "(+000,104.66+000,440.51i)"}, - {"%+010.2f", -104.66 + 440.51i, "(-000,104.66+000,440.51i)"}, - {"%+010.2f", +104.66 - 440.51i, "(+000,104.66-000,440.51i)"}, - {"%+010.2f", -104.66 - 440.51i, "(-000,104.66-000,440.51i)"}, - - // []T where type T is a byte with a Stringer method. - {"%v", byteStringerSlice, "[X X X X X]"}, - {"%s", byteStringerSlice, "hello"}, - {"%q", byteStringerSlice, "\"hello\""}, - {"%x", byteStringerSlice, "68656c6c6f"}, - {"%X", byteStringerSlice, "68656C6C6F"}, - {"%#v", byteStringerSlice, "[]message.byteStringer{0x68, 0x65, 0x6c, 0x6c, 0x6f}"}, - - // And the same for Formatter. - {"%v", byteFormatterSlice, "[X X X X X]"}, - {"%s", byteFormatterSlice, "hello"}, - {"%q", byteFormatterSlice, "\"hello\""}, - {"%x", byteFormatterSlice, "68656c6c6f"}, - {"%X", byteFormatterSlice, "68656C6C6F"}, - // This next case seems wrong, but the docs say the Formatter wins here. - {"%#v", byteFormatterSlice, "[]message.byteFormatter{X, X, X, X, X}"}, - - // reflect.Value handled specially in Go 1.5, making it possible to - // see inside non-exported fields (which cannot be accessed with Interface()). - // Issue 8965. - {"%v", reflect.ValueOf(A{}).Field(0).String(), ""}, // Equivalent to the old way. - {"%v", reflect.ValueOf(A{}).Field(0), "0"}, // Sees inside the field. - - // verbs apply to the extracted value too. - {"%s", reflect.ValueOf("hello"), "hello"}, - {"%q", reflect.ValueOf("hello"), `"hello"`}, - {"%#04x", reflect.ValueOf(256), "0x0100"}, - - // invalid reflect.Value doesn't crash. - {"%v", reflect.Value{}, ""}, - {"%v", &reflect.Value{}, ""}, - {"%v", SI{reflect.Value{}}, "{}"}, - - // Tests to check that not supported verbs generate an error string. - {"%☠", nil, "%!☠()"}, - {"%☠", interface{}(nil), "%!☠()"}, - {"%☠", int(0), "%!☠(int=0)"}, - {"%☠", uint(0), "%!☠(uint=0)"}, - {"%☠", []byte{0, 1}, "[%!☠(uint8=0) %!☠(uint8=1)]"}, - {"%☠", []uint8{0, 1}, "[%!☠(uint8=0) %!☠(uint8=1)]"}, - {"%☠", [1]byte{0}, "[%!☠(uint8=0)]"}, - {"%☠", [1]uint8{0}, "[%!☠(uint8=0)]"}, - {"%☠", "hello", "%!☠(string=hello)"}, - {"%☠", 1.2345678, "%!☠(float64=1.2345678)"}, - {"%☠", float32(1.2345678), "%!☠(float32=1.2345678)"}, - {"%☠", 1.2345678 + 1.2345678i, "%!☠(complex128=(1.2345678+1.2345678i))"}, - {"%☠", complex64(1.2345678 + 1.2345678i), "%!☠(complex64=(1.2345678+1.2345678i))"}, - {"%☠", &intVar, "%!☠(*int=0xPTR)"}, - {"%☠", make(chan int), "%!☠(chan int=0xPTR)"}, - {"%☠", func() {}, "%!☠(func()=0xPTR)"}, - {"%☠", reflect.ValueOf(renamedInt(0)), "%!☠(message.renamedInt=0)"}, - {"%☠", SI{renamedInt(0)}, "{%!☠(message.renamedInt=0)}"}, - {"%☠", &[]interface{}{I(1), G(2)}, "&[%!☠(message.I=1) %!☠(message.G=2)]"}, - {"%☠", SI{&[]interface{}{I(1), G(2)}}, "{%!☠(*[]interface {}=&[1 2])}"}, - {"%☠", reflect.Value{}, ""}, - {"%☠", map[float64]int{NaN: 1}, "map[%!☠(float64=NaN):%!☠()]"}, -} - -// zeroFill generates zero-filled strings of the specified width. The length -// of the suffix (but not the prefix) is compensated for in the width calculation. -func zeroFill(prefix string, width int, suffix string) string { - return prefix + strings.Repeat("0", width-len(suffix)) + suffix -} - -func TestSprintf(t *testing.T) { - p := NewPrinter(language.Und) - for _, tt := range fmtTests { - t.Run(fmt.Sprint(tt.fmt, "/", tt.val), func(t *testing.T) { - s := p.Sprintf(tt.fmt, tt.val) - i := strings.Index(tt.out, "PTR") - if i >= 0 && i < len(s) { - var pattern, chars string - switch { - case strings.HasPrefix(tt.out[i:], "PTR_b"): - pattern = "PTR_b" - chars = "01" - case strings.HasPrefix(tt.out[i:], "PTR_o"): - pattern = "PTR_o" - chars = "01234567" - case strings.HasPrefix(tt.out[i:], "PTR_d"): - pattern = "PTR_d" - chars = "0123456789" - case strings.HasPrefix(tt.out[i:], "PTR_x"): - pattern = "PTR_x" - chars = "0123456789abcdef" - case strings.HasPrefix(tt.out[i:], "PTR_X"): - pattern = "PTR_X" - chars = "0123456789ABCDEF" - default: - pattern = "PTR" - chars = "0123456789abcdefABCDEF" - } - p := s[:i] + pattern - for j := i; j < len(s); j++ { - if !strings.ContainsRune(chars, rune(s[j])) { - p += s[j:] - break - } - } - s = p - } - if s != tt.out { - if _, ok := tt.val.(string); ok { - // Don't requote the already-quoted strings. - // It's too confusing to read the errors. - t.Errorf("Sprintf(%q, %q) = <%s> want <%s>", tt.fmt, tt.val, s, tt.out) - } else { - t.Errorf("Sprintf(%q, %v) = %q want %q", tt.fmt, tt.val, s, tt.out) - } - } - }) - } -} - -var f float64 - -// TestComplexFormatting checks that a complex always formats to the same -// thing as if done by hand with two singleton prints. -func TestComplexFormatting(t *testing.T) { - var yesNo = []bool{true, false} - var values = []float64{1, 0, -1, posInf, negInf, NaN} - p := NewPrinter(language.Und) - for _, plus := range yesNo { - for _, zero := range yesNo { - for _, space := range yesNo { - for _, char := range "fFeEgG" { - realFmt := "%" - if zero { - realFmt += "0" - } - if space { - realFmt += " " - } - if plus { - realFmt += "+" - } - realFmt += "10.2" - realFmt += string(char) - // Imaginary part always has a sign, so force + and ignore space. - imagFmt := "%" - if zero { - imagFmt += "0" - } - imagFmt += "+" - imagFmt += "10.2" - imagFmt += string(char) - for _, realValue := range values { - for _, imagValue := range values { - one := p.Sprintf(realFmt, complex(realValue, imagValue)) - two := p.Sprintf("("+realFmt+imagFmt+"i)", realValue, imagValue) - if math.IsNaN(imagValue) { - p := len(two) - len("NaNi)") - 1 - if two[p] == ' ' { - two = two[:p] + "+" + two[p+1:] - } else { - two = two[:p+1] + "+" + two[p+1:] - } - } - if one != two { - t.Error(f, one, two) - } - } - } - } - } - } - } -} - -type SE []interface{} // slice of empty; notational compactness. - -var reorderTests = []struct { - format string - args SE - out string -}{ - {"%[1]d", SE{1}, "1"}, - {"%[2]d", SE{2, 1}, "1"}, - {"%[2]d %[1]d", SE{1, 2}, "2 1"}, - {"%[2]*[1]d", SE{2, 5}, " 2"}, - {"%6.2f", SE{12.0}, " 12.00"}, // Explicit version of next line. - {"%[3]*.[2]*[1]f", SE{12.0, 2, 6}, " 12.00"}, - {"%[1]*.[2]*[3]f", SE{6, 2, 12.0}, " 12.00"}, - {"%10f", SE{12.0}, " 12.000000"}, - {"%[1]*[3]f", SE{10, 99, 12.0}, " 12.000000"}, - {"%.6f", SE{12.0}, "12.000000"}, // Explicit version of next line. - {"%.[1]*[3]f", SE{6, 99, 12.0}, "12.000000"}, - {"%6.f", SE{12.0}, " 12"}, // // Explicit version of next line; empty precision means zero. - {"%[1]*.[3]f", SE{6, 3, 12.0}, " 12"}, - // An actual use! Print the same arguments twice. - {"%d %d %d %#[1]o %#o %#o", SE{11, 12, 13}, "11 12 13 013 014 015"}, - - // Erroneous cases. - {"%[d", SE{2, 1}, "%!d(BADINDEX)"}, - {"%]d", SE{2, 1}, "%!](int=2)d%!(EXTRA int=1)"}, - {"%[]d", SE{2, 1}, "%!d(BADINDEX)"}, - {"%[-3]d", SE{2, 1}, "%!d(BADINDEX)"}, - {"%[99]d", SE{2, 1}, "%!d(BADINDEX)"}, - {"%[3]", SE{2, 1}, "%!(NOVERB)"}, - {"%[1].2d", SE{5, 6}, "%!d(BADINDEX)"}, - {"%[1]2d", SE{2, 1}, "%!d(BADINDEX)"}, - {"%3.[2]d", SE{7}, "%!d(BADINDEX)"}, - {"%.[2]d", SE{7}, "%!d(BADINDEX)"}, - {"%d %d %d %#[1]o %#o %#o %#o", SE{11, 12, 13}, "11 12 13 013 014 015 %!o(MISSING)"}, - {"%[5]d %[2]d %d", SE{1, 2, 3}, "%!d(BADINDEX) 2 3"}, - {"%d %[3]d %d", SE{1, 2}, "1 %!d(BADINDEX) 2"}, // Erroneous index does not affect sequence. - {"%.[]", SE{}, "%!](BADINDEX)"}, // Issue 10675 - {"%.-3d", SE{42}, "%!-(int=42)3d"}, // TODO: Should this set return better error messages? - // The following messages are interpreted as if there is no substitution, - // in which case it is okay to have extra arguments. This is different - // semantics from the fmt package. - {"%2147483648d", SE{42}, "%!(NOVERB)"}, - {"%-2147483648d", SE{42}, "%!(NOVERB)"}, - {"%.2147483648d", SE{42}, "%!(NOVERB)"}, -} - -func TestReorder(t *testing.T) { - p := NewPrinter(language.Und) - for _, tc := range reorderTests { - t.Run(fmt.Sprint(tc.format, "/", tc.args), func(t *testing.T) { - s := p.Sprintf(tc.format, tc.args...) - if s != tc.out { - t.Errorf("Sprintf(%q, %v) = %q want %q", tc.format, tc.args, s, tc.out) - } - }) - } -} - -func BenchmarkSprintfPadding(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%16f", 1.0) - } - }) -} - -func BenchmarkSprintfEmpty(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("") - } - }) -} - -func BenchmarkSprintfString(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%s", "hello") - } - }) -} - -func BenchmarkSprintfTruncateString(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%.3s", "日本語日本語日本語") - } - }) -} - -func BenchmarkSprintfQuoteString(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%q", "日本語日本語日本語") - } - }) -} - -func BenchmarkSprintfInt(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%d", 5) - } - }) -} - -func BenchmarkSprintfIntInt(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%d %d", 5, 6) - } - }) -} - -func BenchmarkSprintfPrefixedInt(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("This is some meaningless prefix text that needs to be scanned %d", 6) - } - }) -} - -func BenchmarkSprintfFloat(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%g", 5.23184) - } - }) -} - -func BenchmarkSprintfComplex(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%f", 5.23184+5.23184i) - } - }) -} - -func BenchmarkSprintfBoolean(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%t", true) - } - }) -} - -func BenchmarkSprintfHexString(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("% #x", "0123456789abcdef") - } - }) -} - -func BenchmarkSprintfHexBytes(b *testing.B) { - data := []byte("0123456789abcdef") - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("% #x", data) - } - }) -} - -func BenchmarkSprintfBytes(b *testing.B) { - data := []byte("0123456789abcdef") - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%v", data) - } - }) -} - -func BenchmarkSprintfStringer(b *testing.B) { - stringer := I(12345) - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%v", stringer) - } - }) -} - -func BenchmarkSprintfStructure(b *testing.B) { - s := &[]interface{}{SI{12345}, map[int]string{0: "hello"}} - b.RunParallel(func(pb *testing.PB) { - p := NewPrinter(language.English) - for pb.Next() { - p.Sprintf("%#v", s) - } - }) -} - -func BenchmarkManyArgs(b *testing.B) { - b.RunParallel(func(pb *testing.PB) { - var buf bytes.Buffer - p := NewPrinter(language.English) - for pb.Next() { - buf.Reset() - p.Fprintf(&buf, "%2d/%2d/%2d %d:%d:%d %s %s\n", 3, 4, 5, 11, 12, 13, "hello", "world") - } - }) -} - -func BenchmarkFprintInt(b *testing.B) { - var buf bytes.Buffer - p := NewPrinter(language.English) - for i := 0; i < b.N; i++ { - buf.Reset() - p.Fprint(&buf, 123456) - } -} - -func BenchmarkFprintfBytes(b *testing.B) { - data := []byte(string("0123456789")) - var buf bytes.Buffer - p := NewPrinter(language.English) - for i := 0; i < b.N; i++ { - buf.Reset() - p.Fprintf(&buf, "%s", data) - } -} - -func BenchmarkFprintIntNoAlloc(b *testing.B) { - var x interface{} = 123456 - var buf bytes.Buffer - p := NewPrinter(language.English) - for i := 0; i < b.N; i++ { - buf.Reset() - p.Fprint(&buf, x) - } -} - -var mallocBuf bytes.Buffer -var mallocPointer *int // A pointer so we know the interface value won't allocate. - -var mallocTest = []struct { - count int - desc string - fn func(p *Printer) -}{ - {0, `Sprintf("")`, func(p *Printer) { p.Sprintf("") }}, - {1, `Sprintf("xxx")`, func(p *Printer) { p.Sprintf("xxx") }}, - {2, `Sprintf("%x")`, func(p *Printer) { p.Sprintf("%x", 7) }}, - {2, `Sprintf("%s")`, func(p *Printer) { p.Sprintf("%s", "hello") }}, - {3, `Sprintf("%x %x")`, func(p *Printer) { p.Sprintf("%x %x", 7, 112) }}, - {2, `Sprintf("%g")`, func(p *Printer) { p.Sprintf("%g", float32(3.14159)) }}, // TODO: Can this be 1? - {1, `Fprintf(buf, "%s")`, func(p *Printer) { mallocBuf.Reset(); p.Fprintf(&mallocBuf, "%s", "hello") }}, - // If the interface value doesn't need to allocate, amortized allocation overhead should be zero. - {0, `Fprintf(buf, "%x %x %x")`, func(p *Printer) { - mallocBuf.Reset() - p.Fprintf(&mallocBuf, "%x %x %x", mallocPointer, mallocPointer, mallocPointer) - }}, -} - -var _ bytes.Buffer - -func TestCountMallocs(t *testing.T) { - switch { - case testing.Short(): - t.Skip("skipping malloc count in short mode") - case runtime.GOMAXPROCS(0) > 1: - t.Skip("skipping; GOMAXPROCS>1") - // TODO: detect race detecter enabled. - // case race.Enabled: - // t.Skip("skipping malloc count under race detector") - } - p := NewPrinter(language.English) - for _, mt := range mallocTest { - mallocs := testing.AllocsPerRun(100, func() { mt.fn(p) }) - if got, max := mallocs, float64(mt.count); got > max { - t.Errorf("%s: got %v allocs, want <=%v", mt.desc, got, max) - } - } -} - -type flagPrinter struct{} - -func (flagPrinter) Format(f fmt.State, c rune) { - s := "%" - for i := 0; i < 128; i++ { - if f.Flag(i) { - s += string(i) - } - } - if w, ok := f.Width(); ok { - s += fmt.Sprintf("%d", w) - } - if p, ok := f.Precision(); ok { - s += fmt.Sprintf(".%d", p) - } - s += string(c) - io.WriteString(f, "["+s+"]") -} - -var flagtests = []struct { - in string - out string -}{ - {"%a", "[%a]"}, - {"%-a", "[%-a]"}, - {"%+a", "[%+a]"}, - {"%#a", "[%#a]"}, - {"% a", "[% a]"}, - {"%0a", "[%0a]"}, - {"%1.2a", "[%1.2a]"}, - {"%-1.2a", "[%-1.2a]"}, - {"%+1.2a", "[%+1.2a]"}, - {"%-+1.2a", "[%+-1.2a]"}, - {"%-+1.2abc", "[%+-1.2a]bc"}, - {"%-1.2abc", "[%-1.2a]bc"}, -} - -func TestFlagParser(t *testing.T) { - var flagprinter flagPrinter - for _, tt := range flagtests { - s := NewPrinter(language.Und).Sprintf(tt.in, &flagprinter) - if s != tt.out { - t.Errorf("Sprintf(%q, &flagprinter) => %q, want %q", tt.in, s, tt.out) - } - } -} - -func TestStructPrinter(t *testing.T) { - type T struct { - a string - b string - c int - } - var s T - s.a = "abc" - s.b = "def" - s.c = 123 - var tests = []struct { - fmt string - out string - }{ - {"%v", "{abc def 123}"}, - {"%+v", "{a:abc b:def c:123}"}, - {"%#v", `message.T{a:"abc", b:"def", c:123}`}, - } - p := NewPrinter(language.Und) - for _, tt := range tests { - out := p.Sprintf(tt.fmt, s) - if out != tt.out { - t.Errorf("Sprintf(%q, s) = %#q, want %#q", tt.fmt, out, tt.out) - } - // The same but with a pointer. - out = p.Sprintf(tt.fmt, &s) - if out != "&"+tt.out { - t.Errorf("Sprintf(%q, &s) = %#q, want %#q", tt.fmt, out, "&"+tt.out) - } - } -} - -func TestSlicePrinter(t *testing.T) { - p := NewPrinter(language.Und) - slice := []int{} - s := p.Sprint(slice) - if s != "[]" { - t.Errorf("empty slice printed as %q not %q", s, "[]") - } - slice = []int{1, 2, 3} - s = p.Sprint(slice) - if s != "[1 2 3]" { - t.Errorf("slice: got %q expected %q", s, "[1 2 3]") - } - s = p.Sprint(&slice) - if s != "&[1 2 3]" { - t.Errorf("&slice: got %q expected %q", s, "&[1 2 3]") - } -} - -// presentInMap checks map printing using substrings so we don't depend on the -// print order. -func presentInMap(s string, a []string, t *testing.T) { - for i := 0; i < len(a); i++ { - loc := strings.Index(s, a[i]) - if loc < 0 { - t.Errorf("map print: expected to find %q in %q", a[i], s) - } - // make sure the match ends here - loc += len(a[i]) - if loc >= len(s) || (s[loc] != ' ' && s[loc] != ']') { - t.Errorf("map print: %q not properly terminated in %q", a[i], s) - } - } -} - -func TestMapPrinter(t *testing.T) { - p := NewPrinter(language.Und) - m0 := make(map[int]string) - s := p.Sprint(m0) - if s != "map[]" { - t.Errorf("empty map printed as %q not %q", s, "map[]") - } - m1 := map[int]string{1: "one", 2: "two", 3: "three"} - a := []string{"1:one", "2:two", "3:three"} - presentInMap(p.Sprintf("%v", m1), a, t) - presentInMap(p.Sprint(m1), a, t) - // Pointer to map prints the same but with initial &. - if !strings.HasPrefix(p.Sprint(&m1), "&") { - t.Errorf("no initial & for address of map") - } - presentInMap(p.Sprintf("%v", &m1), a, t) - presentInMap(p.Sprint(&m1), a, t) -} - -func TestEmptyMap(t *testing.T) { - const emptyMapStr = "map[]" - var m map[string]int - p := NewPrinter(language.Und) - s := p.Sprint(m) - if s != emptyMapStr { - t.Errorf("nil map printed as %q not %q", s, emptyMapStr) - } - m = make(map[string]int) - s = p.Sprint(m) - if s != emptyMapStr { - t.Errorf("empty map printed as %q not %q", s, emptyMapStr) - } -} - -// TestBlank checks that Sprint (and hence Print, Fprint) puts spaces in the -// right places, that is, between arg pairs in which neither is a string. -func TestBlank(t *testing.T) { - p := NewPrinter(language.Und) - got := p.Sprint("<", 1, ">:", 1, 2, 3, "!") - expect := "<1>:1 2 3!" - if got != expect { - t.Errorf("got %q expected %q", got, expect) - } -} - -// TestBlankln checks that Sprintln (and hence Println, Fprintln) puts spaces in -// the right places, that is, between all arg pairs. -func TestBlankln(t *testing.T) { - p := NewPrinter(language.Und) - got := p.Sprintln("<", 1, ">:", 1, 2, 3, "!") - expect := "< 1 >: 1 2 3 !\n" - if got != expect { - t.Errorf("got %q expected %q", got, expect) - } -} - -// TestFormatterPrintln checks Formatter with Sprint, Sprintln, Sprintf. -func TestFormatterPrintln(t *testing.T) { - p := NewPrinter(language.Und) - f := F(1) - expect := "\n" - s := p.Sprint(f, "\n") - if s != expect { - t.Errorf("Sprint wrong with Formatter: expected %q got %q", expect, s) - } - s = p.Sprintln(f) - if s != expect { - t.Errorf("Sprintln wrong with Formatter: expected %q got %q", expect, s) - } - s = p.Sprintf("%v\n", f) - if s != expect { - t.Errorf("Sprintf wrong with Formatter: expected %q got %q", expect, s) - } -} - -func args(a ...interface{}) []interface{} { return a } - -var startests = []struct { - fmt string - in []interface{} - out string -}{ - {"%*d", args(4, 42), " 42"}, - {"%-*d", args(4, 42), "42 "}, - {"%*d", args(-4, 42), "42 "}, - {"%-*d", args(-4, 42), "42 "}, - {"%.*d", args(4, 42), "0,042"}, - {"%*.*d", args(8, 4, 42), " 0,042"}, - {"%0*d", args(4, 42), "0,042"}, - // Some non-int types for width. (Issue 10732). - {"%0*d", args(uint(4), 42), "0,042"}, - {"%0*d", args(uint64(4), 42), "0,042"}, - {"%0*d", args('\x04', 42), "0,042"}, - {"%0*d", args(uintptr(4), 42), "0,042"}, - - // erroneous - {"%*d", args(nil, 42), "%!(BADWIDTH)42"}, - {"%*d", args(int(1e7), 42), "%!(BADWIDTH)42"}, - {"%*d", args(int(-1e7), 42), "%!(BADWIDTH)42"}, - {"%.*d", args(nil, 42), "%!(BADPREC)42"}, - {"%.*d", args(-1, 42), "%!(BADPREC)42"}, - {"%.*d", args(int(1e7), 42), "%!(BADPREC)42"}, - {"%.*d", args(uint(1e7), 42), "%!(BADPREC)42"}, - {"%.*d", args(uint64(1<<63), 42), "%!(BADPREC)42"}, // Huge negative (-inf). - {"%.*d", args(uint64(1<<64-1), 42), "%!(BADPREC)42"}, // Small negative (-1). - {"%*d", args(5, "foo"), "%!d(string= foo)"}, - {"%*% %d", args(20, 5), "% 5"}, - {"%*", args(4), "%!(NOVERB)"}, -} - -func TestWidthAndPrecision(t *testing.T) { - p := NewPrinter(language.Und) - for i, tt := range startests { - t.Run(fmt.Sprint(tt.fmt, tt.in), func(t *testing.T) { - s := p.Sprintf(tt.fmt, tt.in...) - if s != tt.out { - t.Errorf("#%d: %q: got %q expected %q", i, tt.fmt, s, tt.out) - } - }) - } -} - -// PanicS is a type that panics in String. -type PanicS struct { - message interface{} -} - -// Value receiver. -func (p PanicS) String() string { - panic(p.message) -} - -// PanicGo is a type that panics in GoString. -type PanicGo struct { - message interface{} -} - -// Value receiver. -func (p PanicGo) GoString() string { - panic(p.message) -} - -// PanicF is a type that panics in Format. -type PanicF struct { - message interface{} -} - -// Value receiver. -func (p PanicF) Format(f fmt.State, c rune) { - panic(p.message) -} - -var panictests = []struct { - desc string - fmt string - in interface{} - out string -}{ - // String - {"String", "%s", (*PanicS)(nil), ""}, // nil pointer special case - {"String", "%s", PanicS{io.ErrUnexpectedEOF}, "%!s(PANIC=unexpected EOF)"}, - {"String", "%s", PanicS{3}, "%!s(PANIC=3)"}, - // GoString - {"GoString", "%#v", (*PanicGo)(nil), ""}, // nil pointer special case - {"GoString", "%#v", PanicGo{io.ErrUnexpectedEOF}, "%!v(PANIC=unexpected EOF)"}, - {"GoString", "%#v", PanicGo{3}, "%!v(PANIC=3)"}, - // Issue 18282. catchPanic should not clear fmtFlags permanently. - {"Issue 18282", "%#v", []interface{}{PanicGo{3}, PanicGo{3}}, "[]interface {}{%!v(PANIC=3), %!v(PANIC=3)}"}, - // Format - {"Format", "%s", (*PanicF)(nil), ""}, // nil pointer special case - {"Format", "%s", PanicF{io.ErrUnexpectedEOF}, "%!s(PANIC=unexpected EOF)"}, - {"Format", "%s", PanicF{3}, "%!s(PANIC=3)"}, -} - -func TestPanics(t *testing.T) { - p := NewPrinter(language.Und) - for i, tt := range panictests { - t.Run(fmt.Sprint(tt.desc, "/", tt.fmt, "/", tt.in), func(t *testing.T) { - s := p.Sprintf(tt.fmt, tt.in) - if s != tt.out { - t.Errorf("%d: %q: got %q expected %q", i, tt.fmt, s, tt.out) - } - }) - } -} - -// recurCount tests that erroneous String routine doesn't cause fatal recursion. -var recurCount = 0 - -type Recur struct { - i int - failed *bool -} - -func (r *Recur) String() string { - p := NewPrinter(language.Und) - if recurCount++; recurCount > 10 { - *r.failed = true - return "FAIL" - } - // This will call badVerb. Before the fix, that would cause us to recur into - // this routine to print %!p(value). Now we don't call the user's method - // during an error. - return p.Sprintf("recur@%p value: %d", r, r.i) -} - -func TestBadVerbRecursion(t *testing.T) { - p := NewPrinter(language.Und) - failed := false - r := &Recur{3, &failed} - p.Sprintf("recur@%p value: %d\n", &r, r.i) - if failed { - t.Error("fail with pointer") - } - failed = false - r = &Recur{4, &failed} - p.Sprintf("recur@%p, value: %d\n", r, r.i) - if failed { - t.Error("fail with value") - } -} - -func TestNilDoesNotBecomeTyped(t *testing.T) { - p := NewPrinter(language.Und) - type A struct{} - type B struct{} - var a *A = nil - var b B = B{} - - // indirect the Sprintf call through this noVetWarn variable to avoid - // "go test" failing vet checks in Go 1.10+. - noVetWarn := p.Sprintf - got := noVetWarn("%s %s %s %s %s", nil, a, nil, b, nil) - - const expect = "%!s() %!s(*message.A=) %!s() {} %!s()" - if got != expect { - t.Errorf("expected:\n\t%q\ngot:\n\t%q", expect, got) - } -} - -var formatterFlagTests = []struct { - in string - val interface{} - out string -}{ - // scalar values with the (unused by fmt) 'a' verb. - {"%a", flagPrinter{}, "[%a]"}, - {"%-a", flagPrinter{}, "[%-a]"}, - {"%+a", flagPrinter{}, "[%+a]"}, - {"%#a", flagPrinter{}, "[%#a]"}, - {"% a", flagPrinter{}, "[% a]"}, - {"%0a", flagPrinter{}, "[%0a]"}, - {"%1.2a", flagPrinter{}, "[%1.2a]"}, - {"%-1.2a", flagPrinter{}, "[%-1.2a]"}, - {"%+1.2a", flagPrinter{}, "[%+1.2a]"}, - {"%-+1.2a", flagPrinter{}, "[%+-1.2a]"}, - {"%-+1.2abc", flagPrinter{}, "[%+-1.2a]bc"}, - {"%-1.2abc", flagPrinter{}, "[%-1.2a]bc"}, - - // composite values with the 'a' verb - {"%a", [1]flagPrinter{}, "[[%a]]"}, - {"%-a", [1]flagPrinter{}, "[[%-a]]"}, - {"%+a", [1]flagPrinter{}, "[[%+a]]"}, - {"%#a", [1]flagPrinter{}, "[[%#a]]"}, - {"% a", [1]flagPrinter{}, "[[% a]]"}, - {"%0a", [1]flagPrinter{}, "[[%0a]]"}, - {"%1.2a", [1]flagPrinter{}, "[[%1.2a]]"}, - {"%-1.2a", [1]flagPrinter{}, "[[%-1.2a]]"}, - {"%+1.2a", [1]flagPrinter{}, "[[%+1.2a]]"}, - {"%-+1.2a", [1]flagPrinter{}, "[[%+-1.2a]]"}, - {"%-+1.2abc", [1]flagPrinter{}, "[[%+-1.2a]]bc"}, - {"%-1.2abc", [1]flagPrinter{}, "[[%-1.2a]]bc"}, - - // simple values with the 'v' verb - {"%v", flagPrinter{}, "[%v]"}, - {"%-v", flagPrinter{}, "[%-v]"}, - {"%+v", flagPrinter{}, "[%+v]"}, - {"%#v", flagPrinter{}, "[%#v]"}, - {"% v", flagPrinter{}, "[% v]"}, - {"%0v", flagPrinter{}, "[%0v]"}, - {"%1.2v", flagPrinter{}, "[%1.2v]"}, - {"%-1.2v", flagPrinter{}, "[%-1.2v]"}, - {"%+1.2v", flagPrinter{}, "[%+1.2v]"}, - {"%-+1.2v", flagPrinter{}, "[%+-1.2v]"}, - {"%-+1.2vbc", flagPrinter{}, "[%+-1.2v]bc"}, - {"%-1.2vbc", flagPrinter{}, "[%-1.2v]bc"}, - - // composite values with the 'v' verb. - {"%v", [1]flagPrinter{}, "[[%v]]"}, - {"%-v", [1]flagPrinter{}, "[[%-v]]"}, - {"%+v", [1]flagPrinter{}, "[[%+v]]"}, - {"%#v", [1]flagPrinter{}, "[1]message.flagPrinter{[%#v]}"}, - {"% v", [1]flagPrinter{}, "[[% v]]"}, - {"%0v", [1]flagPrinter{}, "[[%0v]]"}, - {"%1.2v", [1]flagPrinter{}, "[[%1.2v]]"}, - {"%-1.2v", [1]flagPrinter{}, "[[%-1.2v]]"}, - {"%+1.2v", [1]flagPrinter{}, "[[%+1.2v]]"}, - {"%-+1.2v", [1]flagPrinter{}, "[[%+-1.2v]]"}, - {"%-+1.2vbc", [1]flagPrinter{}, "[[%+-1.2v]]bc"}, - {"%-1.2vbc", [1]flagPrinter{}, "[[%-1.2v]]bc"}, -} - -func TestFormatterFlags(t *testing.T) { - p := NewPrinter(language.Und) - for _, tt := range formatterFlagTests { - s := p.Sprintf(tt.in, tt.val) - if s != tt.out { - t.Errorf("Sprintf(%q, %T) = %q, want %q", tt.in, tt.val, s, tt.out) - } - } -} -- cgit v1.2.3