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-rw-r--r--vendor/golang.org/x/text/width/tables_test.go59
1 files changed, 59 insertions, 0 deletions
diff --git a/vendor/golang.org/x/text/width/tables_test.go b/vendor/golang.org/x/text/width/tables_test.go
new file mode 100644
index 0000000..189febd
--- /dev/null
+++ b/vendor/golang.org/x/text/width/tables_test.go
@@ -0,0 +1,59 @@
+// Copyright 2015 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 width
+
+import (
+ "testing"
+
+ "golang.org/x/text/internal/testtext"
+)
+
+const (
+ loSurrogate = 0xD800
+ hiSurrogate = 0xDFFF
+)
+
+func TestTables(t *testing.T) {
+ testtext.SkipIfNotLong(t)
+
+ runes := map[rune]Kind{}
+ getWidthData(func(r rune, tag elem, _ rune) {
+ runes[r] = tag.kind()
+ })
+ for r := rune(0); r < 0x10FFFF; r++ {
+ if loSurrogate <= r && r <= hiSurrogate {
+ continue
+ }
+ p := LookupRune(r)
+ if got, want := p.Kind(), runes[r]; got != want {
+ t.Errorf("Kind of %U was %s; want %s.", r, got, want)
+ }
+ want, mapped := foldRune(r)
+ if got := p.Folded(); (got == 0) == mapped || got != 0 && got != want {
+ t.Errorf("Folded(%U) = %U; want %U", r, got, want)
+ }
+ want, mapped = widenRune(r)
+ if got := p.Wide(); (got == 0) == mapped || got != 0 && got != want {
+ t.Errorf("Wide(%U) = %U; want %U", r, got, want)
+ }
+ want, mapped = narrowRune(r)
+ if got := p.Narrow(); (got == 0) == mapped || got != 0 && got != want {
+ t.Errorf("Narrow(%U) = %U; want %U", r, got, want)
+ }
+ }
+}
+
+// TestAmbiguous verifies that that ambiguous runes with a mapping always map to
+// a halfwidth rune.
+func TestAmbiguous(t *testing.T) {
+ for r, m := range mapRunes {
+ if m.e != tagAmbiguous {
+ continue
+ }
+ if k := mapRunes[m.r].e.kind(); k != EastAsianHalfwidth {
+ t.Errorf("Rune %U is ambiguous and maps to a rune of type %v", r, k)
+ }
+ }
+}