7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
110 lines
2.5 KiB
Go
110 lines
2.5 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package utf8_test
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import (
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"rand"
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"testing"
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. "utf8"
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)
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func TestScanForwards(t *testing.T) {
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for _, s := range testStrings {
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runes := []int(s)
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str := NewString(s)
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if str.RuneCount() != len(runes) {
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t.Error("%s: expected %d runes; got %d", s, len(runes), str.RuneCount())
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break
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}
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for i, expect := range runes {
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got := str.At(i)
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if got != expect {
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t.Errorf("%s[%d]: expected %c (U+%04x); got %c (U+%04x)", s, i, expect, expect, got, got)
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}
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}
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}
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}
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func TestScanBackwards(t *testing.T) {
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for _, s := range testStrings {
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runes := []int(s)
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str := NewString(s)
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if str.RuneCount() != len(runes) {
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t.Error("%s: expected %d runes; got %d", s, len(runes), str.RuneCount())
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break
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}
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for i := len(runes) - 1; i >= 0; i-- {
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expect := runes[i]
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got := str.At(i)
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if got != expect {
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t.Errorf("%s[%d]: expected %c (U+%04x); got %c (U+%04x)", s, i, expect, expect, got, got)
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}
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}
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}
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}
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const randCount = 100000
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func TestRandomAccess(t *testing.T) {
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for _, s := range testStrings {
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if len(s) == 0 {
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continue
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}
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runes := []int(s)
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str := NewString(s)
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if str.RuneCount() != len(runes) {
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t.Error("%s: expected %d runes; got %d", s, len(runes), str.RuneCount())
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break
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}
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for j := 0; j < randCount; j++ {
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i := rand.Intn(len(runes))
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expect := runes[i]
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got := str.At(i)
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if got != expect {
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t.Errorf("%s[%d]: expected %c (U+%04x); got %c (U+%04x)", s, i, expect, expect, got, got)
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}
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}
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}
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}
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func TestRandomSliceAccess(t *testing.T) {
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for _, s := range testStrings {
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if len(s) == 0 || s[0] == '\x80' { // the bad-UTF-8 string fools this simple test
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continue
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}
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runes := []int(s)
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str := NewString(s)
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if str.RuneCount() != len(runes) {
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t.Error("%s: expected %d runes; got %d", s, len(runes), str.RuneCount())
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break
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}
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for k := 0; k < randCount; k++ {
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i := rand.Intn(len(runes))
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j := rand.Intn(len(runes) + 1)
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if i > j { // include empty strings
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continue
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}
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expect := string(runes[i:j])
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got := str.Slice(i, j)
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if got != expect {
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t.Errorf("%s[%d:%d]: expected %q got %q", s, i, j, expect, got)
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}
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}
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}
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}
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func TestLimitSliceAccess(t *testing.T) {
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for _, s := range testStrings {
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str := NewString(s)
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if str.Slice(0, 0) != "" {
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t.Error("failure with empty slice at beginning")
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}
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nr := RuneCountInString(s)
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if str.Slice(nr, nr) != "" {
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t.Error("failure with empty slice at end")
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}
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}
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}
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