| /* |
| * Copyright (C) 2015, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.util; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.Assert.assertEquals; |
| |
| import java.io.BufferedReader; |
| import java.io.ByteArrayInputStream; |
| import java.io.InputStreamReader; |
| import java.io.Reader; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import org.eclipse.jgit.lib.Constants; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class IOReadLineTest { |
| @Parameter(0) |
| public boolean buffered; |
| |
| @Parameter(1) |
| public int sizeHint; |
| |
| @SuppressWarnings("boxing") |
| @Parameters(name="buffered={0}, sizeHint={1}") |
| public static Collection<Object[]> getParameters() { |
| Boolean[] bv = {false, true}; |
| Integer[] sv = {-1, 0, 1, 2, 3, 4, 64}; |
| Collection<Object[]> params = new ArrayList<>(bv.length * sv.length); |
| for (boolean b : bv) { |
| for (Integer s : sv) { |
| params.add(new Object[]{b, s}); |
| } |
| } |
| return params; |
| } |
| |
| @Test |
| public void testReadLine() throws Exception { |
| Reader r = newReader("foo\nbar\nbaz\n"); |
| assertEquals("foo\n", readLine(r)); |
| assertEquals("bar\n", readLine(r)); |
| assertEquals("baz\n", readLine(r)); |
| assertEquals("", readLine(r)); |
| } |
| |
| @Test |
| public void testReadLineNoTrailingNewline() throws Exception { |
| Reader r = newReader("foo\nbar\nbaz"); |
| assertEquals("foo\n", readLine(r)); |
| assertEquals("bar\n", readLine(r)); |
| assertEquals("baz", readLine(r)); |
| assertEquals("", readLine(r)); |
| } |
| |
| private String readLine(Reader r) throws Exception { |
| return IO.readLine(r, sizeHint); |
| } |
| |
| private Reader newReader(String in) { |
| Reader r = new InputStreamReader( |
| new ByteArrayInputStream(Constants.encode(in)), UTF_8); |
| if (buffered) { |
| r = new BufferedReader(r); |
| } |
| assertEquals(Boolean.valueOf(buffered), |
| Boolean.valueOf(r.markSupported())); |
| return r; |
| } |
| } |