gcc/libgo/go/io/ioutil/ioutil_test.go
Ian Lance Taylor 7a9389330e Add Go frontend, libgo library, and Go testsuite.
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
2010-12-03 04:34:57 +00:00

93 lines
2.2 KiB
Go

// Copyright 2009 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 ioutil_test
import (
. "io/ioutil"
"os"
"testing"
)
func checkSize(t *testing.T, path string, size int64) {
dir, err := os.Stat(path)
if err != nil {
t.Fatalf("Stat %q (looking for size %d): %s", path, size, err)
}
if dir.Size != size {
t.Errorf("Stat %q: size %d want %d", path, dir.Size, size)
}
}
func TestReadFile(t *testing.T) {
filename := "rumpelstilzchen"
contents, err := ReadFile(filename)
if err == nil {
t.Fatalf("ReadFile %s: error expected, none found", filename)
}
filename = "ioutil_test.go"
contents, err = ReadFile(filename)
if err != nil {
t.Fatalf("ReadFile %s: %v", filename, err)
}
checkSize(t, filename, int64(len(contents)))
}
func TestWriteFile(t *testing.T) {
filename := "_test/rumpelstilzchen"
data := "Programming today is a race between software engineers striving to " +
"build bigger and better idiot-proof programs, and the Universe trying " +
"to produce bigger and better idiots. So far, the Universe is winning."
if err := WriteFile(filename, []byte(data), 0644); err != nil {
t.Fatalf("WriteFile %s: %v", filename, err)
}
contents, err := ReadFile(filename)
if err != nil {
t.Fatalf("ReadFile %s: %v", filename, err)
}
if string(contents) != data {
t.Fatalf("contents = %q\nexpected = %q", string(contents), data)
}
// cleanup
os.Remove(filename) // ignore error
}
func TestReadDir(t *testing.T) {
dirname := "rumpelstilzchen"
_, err := ReadDir(dirname)
if err == nil {
t.Fatalf("ReadDir %s: error expected, none found", dirname)
}
dirname = "."
list, err := ReadDir(dirname)
if err != nil {
t.Fatalf("ReadDir %s: %v", dirname, err)
}
foundTest := false
foundTestDir := false
for _, dir := range list {
switch {
case dir.IsRegular() && dir.Name == "ioutil_test.go":
foundTest = true
case dir.IsDirectory() && dir.Name == "_test":
foundTestDir = true
}
}
if !foundTest {
t.Fatalf("ReadDir %s: test file not found", dirname)
}
if !foundTestDir {
t.Fatalf("ReadDir %s: _test directory not found", dirname)
}
}