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Diffstat (limited to 'vendor/golang.org/x/text/internal/colltab/collate_test.go')
-rw-r--r--vendor/golang.org/x/text/internal/colltab/collate_test.go121
1 files changed, 121 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/internal/colltab/collate_test.go b/vendor/golang.org/x/text/internal/colltab/collate_test.go
new file mode 100644
index 0000000..580c85c
--- /dev/null
+++ b/vendor/golang.org/x/text/internal/colltab/collate_test.go
@@ -0,0 +1,121 @@
+// Copyright 2014 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 colltab_test
+
+// This file contains tests which need to import package collate, which causes
+// an import cycle when done within package colltab itself.
+
+import (
+ "bytes"
+ "testing"
+ "unicode"
+
+ "golang.org/x/text/collate"
+ "golang.org/x/text/language"
+ "golang.org/x/text/unicode/rangetable"
+)
+
+// assigned is used to only test runes that are inside the scope of the Unicode
+// version used to generation the collation table.
+var assigned = rangetable.Assigned(collate.UnicodeVersion)
+
+func TestNonDigits(t *testing.T) {
+ c := collate.New(language.English, collate.Loose, collate.Numeric)
+
+ // Verify that all non-digit numbers sort outside of the number range.
+ for r, hi := rune(unicode.N.R16[0].Lo), rune(unicode.N.R32[0].Hi); r <= hi; r++ {
+ if unicode.In(r, unicode.Nd) || !unicode.In(r, assigned) {
+ continue
+ }
+ if a := string(r); c.CompareString(a, "0") != -1 && c.CompareString(a, "999999") != 1 {
+ t.Errorf("%+q non-digit number is collated as digit", a)
+ }
+ }
+}
+
+func TestNumericCompare(t *testing.T) {
+ c := collate.New(language.English, collate.Loose, collate.Numeric)
+
+ // Iterate over all digits.
+ for _, r16 := range unicode.Nd.R16 {
+ testDigitCompare(t, c, rune(r16.Lo), rune(r16.Hi))
+ }
+ for _, r32 := range unicode.Nd.R32 {
+ testDigitCompare(t, c, rune(r32.Lo), rune(r32.Hi))
+ }
+}
+
+func testDigitCompare(t *testing.T, c *collate.Collator, zero, nine rune) {
+ if !unicode.In(zero, assigned) {
+ return
+ }
+ n := int(nine - zero + 1)
+ if n%10 != 0 {
+ t.Fatalf("len([%+q, %+q]) = %d; want a multiple of 10", zero, nine, n)
+ }
+ for _, tt := range []struct {
+ prefix string
+ b [11]string
+ }{
+ {
+ prefix: "",
+ b: [11]string{
+ "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
+ },
+ },
+ {
+ prefix: "1",
+ b: [11]string{
+ "10", "11", "12", "13", "14", "15", "16", "17", "18", "19", "20",
+ },
+ },
+ {
+ prefix: "0",
+ b: [11]string{
+ "00", "01", "02", "03", "04", "05", "06", "07", "08", "09", "10",
+ },
+ },
+ {
+ prefix: "00",
+ b: [11]string{
+ "000", "001", "002", "003", "004", "005", "006", "007", "008", "009", "010",
+ },
+ },
+ {
+ prefix: "9",
+ b: [11]string{
+ "90", "91", "92", "93", "94", "95", "96", "97", "98", "99", "100",
+ },
+ },
+ } {
+ for k := 0; k <= n; k++ {
+ i := k % 10
+ a := tt.prefix + string(zero+rune(i))
+ for j, b := range tt.b {
+ want := 0
+ switch {
+ case i < j:
+ want = -1
+ case i > j:
+ want = 1
+ }
+ got := c.CompareString(a, b)
+ if got != want {
+ t.Errorf("Compare(%+q, %+q) = %d; want %d", a, b, got, want)
+ return
+ }
+ }
+ }
+ }
+}
+
+func BenchmarkNumericWeighter(b *testing.B) {
+ c := collate.New(language.English, collate.Numeric)
+ input := bytes.Repeat([]byte("Testing, testing 123..."), 100)
+ b.SetBytes(int64(2 * len(input)))
+ for i := 0; i < b.N; i++ {
+ c.Compare(input, input)
+ }
+}