ager@google.com
4efd1f98fa
- dart:builtin is implicitly imported. - dart:io has to be explicitly imported. I will update the macos and windows stable test binaries when we are happy with the solution. R=iposva@google.com BUG= TEST= Review URL: https://chromiumcodereview.appspot.com//9254026 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@3537 260f80e4-7a28-3924-810f-c04153c831b5
93 lines
2.9 KiB
Dart
93 lines
2.9 KiB
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Testing file input stream, VM-only, standalone test.
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#import("dart:io");
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// Helper method to be able to run the test from the runtime
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// directory, or the top directory.
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String getFilename(String path) =>
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new File(path).existsSync() ? path : '../' + path;
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void testStringInputStreamSync() {
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String fileName = getFilename("tests/standalone/src/readuntil_test.dat");
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// File contains "Hello Dart\nwassup!\n"
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File file = new File(fileName);
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StringInputStream x = new StringInputStream(file.openInputStream());
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x.lineHandler = () {
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// The file input stream is known (for now) to have read the whole
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// file when the data handler is called.
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String line = x.readLine();
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Expect.equals("Hello Dart", line);
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line = x.readLine();
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Expect.equals("wassup!", line);
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};
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}
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void testInputStreamAsync() {
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String fileName = getFilename("tests/standalone/src/readuntil_test.dat");
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// File contains "Hello Dart\nwassup!\n"
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var expected = "Hello Dart\nwassup!\n".charCodes();
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InputStream x = (new File(fileName)).openInputStream();
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var byteCount = 0;
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x.dataHandler = () {
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Expect.equals(expected[byteCount], x.read(1)[0]);
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byteCount++;
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};
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x.closeHandler = () {
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Expect.equals(expected.length, byteCount);
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};
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}
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void testStringInputStreamAsync(String name, int length) {
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String fileName = getFilename("tests/standalone/src/$name");
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// File contains 10 lines.
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File file = new File(fileName);
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Expect.equals(length, file.openSync().lengthSync());
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StringInputStream x = new StringInputStream(file.openInputStream());
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int lineCount = 0;
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x.lineHandler = () {
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var line = x.readLine();
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lineCount++;
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Expect.isTrue(lineCount <= 10);
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if (line[0] != "#") {
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Expect.equals("Line $lineCount", line);
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}
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};
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x.closeHandler = () {
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Expect.equals(10, lineCount);
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};
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}
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void testChunkedInputStream() {
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String fileName = getFilename("tests/standalone/src/readuntil_test.dat");
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// File contains 19 bytes ("Hello Dart\nwassup!")
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File file = new File(fileName);
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ChunkedInputStream x = new ChunkedInputStream(file.openInputStream());
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x.chunkSize = 9;
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List<int> chunk = x.read();
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Expect.equals(9, chunk.length);
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x.chunkSize = 5;
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chunk = x.read();
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Expect.equals(5, chunk.length);
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chunk = x.read();
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Expect.equals(5, chunk.length);
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chunk = x.read();
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Expect.equals(null, chunk);
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}
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main() {
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testStringInputStreamSync();
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testInputStreamAsync();
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// Check the length of these files as both are text files where one
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// is without a terminating line separator which can easily be added
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// back if accidentally opened in a text editor.
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testStringInputStreamAsync("readline_test1.dat", 111);
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testStringInputStreamAsync("readline_test2.dat", 114);
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testChunkedInputStream();
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}
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