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-rw-r--r--vendor/golang.org/x/text/internal/colltab/numeric_test.go159
1 files changed, 159 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/internal/colltab/numeric_test.go b/vendor/golang.org/x/text/internal/colltab/numeric_test.go
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+++ b/vendor/golang.org/x/text/internal/colltab/numeric_test.go
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+// 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
+
+import (
+ "reflect"
+ "strings"
+ "testing"
+
+ "golang.org/x/text/internal/testtext"
+)
+
+const (
+ digSec = defaultSecondary
+ digTert = defaultTertiary
+)
+
+var tPlus3 = e(0, 50, digTert+3)
+
+// numWeighter is a testWeighter used for testing numericWeighter.
+var numWeighter = testWeighter{
+ "0": p(100),
+ "0": []Elem{e(100, digSec, digTert+1)}, // U+FF10 FULLWIDTH DIGIT ZERO
+ "₀": []Elem{e(100, digSec, digTert+5)}, // U+2080 SUBSCRIPT ZERO
+
+ "1": p(101),
+ // Allow non-primary collation elements to be inserted.
+ "١": append(p(101), tPlus3), // U+0661 ARABIC-INDIC DIGIT ONE
+ // Allow varying tertiary weight if the number is Nd.
+ "1": []Elem{e(101, digSec, digTert+1)}, // U+FF11 FULLWIDTH DIGIT ONE
+ "2": p(102),
+ // Allow non-primary collation elements to be inserted.
+ "٢": append(p(102), tPlus3), // U+0662 ARABIC-INDIC DIGIT TWO
+ // Varying tertiary weights should be ignored.
+ "2": []Elem{e(102, digSec, digTert+3)}, // U+FF12 FULLWIDTH DIGIT TWO
+ "3": p(103),
+ "4": p(104),
+ "5": p(105),
+ "6": p(106),
+ "7": p(107),
+ // Weights must be strictly monotonically increasing, but do not need to be
+ // consecutive.
+ "8": p(118),
+ "9": p(119),
+ // Allow non-primary collation elements to be inserted.
+ "٩": append(p(119), tPlus3), // U+0669 ARABIC-INDIC DIGIT NINE
+ // Varying tertiary weights should be ignored.
+ "9": []Elem{e(119, digSec, digTert+1)}, // U+FF19 FULLWIDTH DIGIT NINE
+ "₉": []Elem{e(119, digSec, digTert+5)}, // U+2089 SUBSCRIPT NINE
+
+ "a": p(5),
+ "b": p(6),
+ "c": p(8, 2),
+
+ "klm": p(99),
+
+ "nop": p(121),
+
+ "x": p(200),
+ "y": p(201),
+}
+
+func p(w ...int) (elems []Elem) {
+ for _, x := range w {
+ e, _ := MakeElem(x, digSec, digTert, 0)
+ elems = append(elems, e)
+ }
+ return elems
+}
+
+func TestNumericAppendNext(t *testing.T) {
+ for _, tt := range []struct {
+ in string
+ w []Elem
+ }{
+ {"a", p(5)},
+ {"klm", p(99)},
+ {"aa", p(5, 5)},
+ {"1", p(120, 1, 101)},
+ {"0", p(120, 0)},
+ {"01", p(120, 1, 101)},
+ {"0001", p(120, 1, 101)},
+ {"10", p(120, 2, 101, 100)},
+ {"99", p(120, 2, 119, 119)},
+ {"9999", p(120, 4, 119, 119, 119, 119)},
+ {"1a", p(120, 1, 101, 5)},
+ {"0b", p(120, 0, 6)},
+ {"01c", p(120, 1, 101, 8, 2)},
+ {"10x", p(120, 2, 101, 100, 200)},
+ {"99y", p(120, 2, 119, 119, 201)},
+ {"9999nop", p(120, 4, 119, 119, 119, 119, 121)},
+
+ // Allow follow-up collation elements if they have a zero non-primary.
+ {"١٢٩", []Elem{e(120), e(3), e(101), tPlus3, e(102), tPlus3, e(119), tPlus3}},
+ {
+ "129",
+ []Elem{
+ e(120), e(3),
+ e(101, digSec, digTert+1),
+ e(102, digSec, digTert+3),
+ e(119, digSec, digTert+1),
+ },
+ },
+
+ // Ensure AppendNext* adds to the given buffer.
+ {"a10", p(5, 120, 2, 101, 100)},
+ } {
+ nw := NewNumericWeighter(numWeighter)
+
+ b := []byte(tt.in)
+ got := []Elem(nil)
+ for n, sz := 0, 0; n < len(b); {
+ got, sz = nw.AppendNext(got, b[n:])
+ n += sz
+ }
+ if !reflect.DeepEqual(got, tt.w) {
+ t.Errorf("AppendNext(%q) =\n%v; want\n%v", tt.in, got, tt.w)
+ }
+
+ got = nil
+ for n, sz := 0, 0; n < len(tt.in); {
+ got, sz = nw.AppendNextString(got, tt.in[n:])
+ n += sz
+ }
+ if !reflect.DeepEqual(got, tt.w) {
+ t.Errorf("AppendNextString(%q) =\n%v; want\n%v", tt.in, got, tt.w)
+ }
+ }
+}
+
+func TestNumericOverflow(t *testing.T) {
+ manyDigits := strings.Repeat("9", maxDigits+1) + "a"
+
+ nw := NewNumericWeighter(numWeighter)
+
+ got, n := nw.AppendNextString(nil, manyDigits)
+
+ if n != maxDigits {
+ t.Errorf("n: got %d; want %d", n, maxDigits)
+ }
+
+ if got[1].Primary() != maxDigits {
+ t.Errorf("primary(e[1]): got %d; want %d", n, maxDigits)
+ }
+}
+
+func TestNumericWeighterAlloc(t *testing.T) {
+ buf := make([]Elem, 100)
+ w := NewNumericWeighter(numWeighter)
+ s := "1234567890a"
+
+ nNormal := testtext.AllocsPerRun(3, func() { numWeighter.AppendNextString(buf, s) })
+ nNumeric := testtext.AllocsPerRun(3, func() { w.AppendNextString(buf, s) })
+ if n := nNumeric - nNormal; n > 0 {
+ t.Errorf("got %f; want 0", n)
+ }
+}