code review 4526095: unicode: add the first few property tests for printing.

src/pkg/unicode/graphic_test.go

+// Copyright 2011 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 unicode_test
+
+import (
+        "testing"
+        . "unicode"
+)
+
+// Independently check that the special "Is" functions work
+// in the Latin-1 range through the property table.
+
+func TestIsControlLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsControl(i)
+                want := false
+                switch {
+                case 0x00 <= i && i <= 0x1F:
+                        want = true
+                case 0x7F <= i && i <= 0x9F:
+                        want = true
+                }
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsLetterLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsLetter(i)
+                want := Is(Letter, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsUpperLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsUpper(i)
+                want := Is(Upper, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsLowerLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsLower(i)
+                want := Is(Lower, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestNumberLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsNumber(i)
+                want := Is(Number, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsPrintLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsPrint(i)
+                want := IsOneOf(PrintRanges, i)
+                if i == ' ' {
+                        want = true
+                }
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsGraphicLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsGraphic(i)
+                want := IsOneOf(GraphicRanges, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsPunctLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsPunct(i)
+                want := Is(Punct, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsSpaceLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsSpace(i)
+                want := Is(White_Space, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}
+
+func TestIsSymbolLatin1(t *testing.T) {
+        for i := 0; i < Latin1Max; i++ {
+                got := IsSymbol(i)
+                want := Is(Symbol, i)
+                if got != want {
+                        t.Errorf("%U incorrect: got %t; want %t", i, got, want)
+                }
+        }
+}