2009-06-01 20:00:07 -06:00
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// 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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2009-08-12 14:18:37 -06:00
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package io_test
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2009-06-01 20:00:07 -06:00
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import (
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2009-10-06 20:41:51 -06:00
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. "io";
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"os";
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"strings";
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"testing";
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2009-06-01 20:00:07 -06:00
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)
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func checkSize(t *testing.T, path string, size uint64) {
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dir, err := os.Stat(path);
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if err != nil {
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t.Fatalf("Stat %q (looking for size %d): %s", path, size, err);
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}
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if dir.Size != size {
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t.Errorf("Stat %q: size %d want %d", path, dir.Size, size);
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}
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}
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func TestReadFile(t *testing.T) {
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filename := "rumpelstilzchen";
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contents, err := ReadFile(filename);
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if err == nil {
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t.Fatalf("ReadFile %s: error expected, none found", filename);
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}
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filename = "utils_test.go";
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contents, err = ReadFile(filename);
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if err != nil {
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t.Fatalf("ReadFile %s: %v", filename, err);
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}
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checkSize(t, filename, uint64(len(contents)));
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}
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2009-07-08 15:48:09 -06:00
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func TestWriteFile(t *testing.T) {
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filename := "_obj/rumpelstilzchen";
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data := "Programming today is a race between software engineers striving to "
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2009-07-08 15:48:09 -06:00
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"build bigger and better idiot-proof programs, and the Universe trying "
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"to produce bigger and better idiots. So far, the Universe is winning.";
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if err := WriteFile(filename, strings.Bytes(data), 0644); err != nil {
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t.Fatalf("WriteFile %s: %v", filename, err);
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}
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contents, err := ReadFile(filename);
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if err != nil {
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t.Fatalf("ReadFile %s: %v", filename, err);
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}
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if string(contents) != data {
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t.Fatalf("contents = %q\nexpected = %q", string(contents), data);
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}
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// cleanup
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os.Remove(filename); // ignore error
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2009-07-08 15:48:09 -06:00
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}
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