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- /*
- * Copyright (C) 2008, 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.patch;
-
- import static java.nio.charset.StandardCharsets.ISO_8859_1;
- import static java.nio.charset.StandardCharsets.UTF_8;
- import static org.junit.Assert.assertEquals;
- import static org.junit.Assert.assertTrue;
- import static org.junit.Assert.fail;
-
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.InputStreamReader;
- import java.nio.charset.Charset;
-
- import org.eclipse.jgit.junit.JGitTestUtil;
- import org.junit.Test;
-
- public class GetTextTest {
- @Test
- public void testGetText_BothISO88591() throws IOException {
- final Charset cs = ISO_8859_1;
- final Patch p = parseTestPatchFile();
- assertTrue(p.getErrors().isEmpty());
- assertEquals(1, p.getFiles().size());
- final FileHeader fh = p.getFiles().get(0);
- assertEquals(2, fh.getHunks().size());
- assertEquals(readTestPatchFile(cs), fh.getScriptText(cs, cs));
- }
-
- @Test
- public void testGetText_NoBinary() throws IOException {
- final Charset cs = ISO_8859_1;
- final Patch p = parseTestPatchFile();
- assertTrue(p.getErrors().isEmpty());
- assertEquals(1, p.getFiles().size());
- final FileHeader fh = p.getFiles().get(0);
- assertEquals(0, fh.getHunks().size());
- assertEquals(readTestPatchFile(cs), fh.getScriptText(cs, cs));
- }
-
- @Test
- public void testGetText_Convert() throws IOException {
- final Charset csOld = ISO_8859_1;
- final Charset csNew = UTF_8;
- final Patch p = parseTestPatchFile();
- assertTrue(p.getErrors().isEmpty());
- assertEquals(1, p.getFiles().size());
- final FileHeader fh = p.getFiles().get(0);
- assertEquals(2, fh.getHunks().size());
-
- // Read the original file as ISO-8859-1 and fix up the one place
- // where we changed the character encoding. That makes the exp
- // string match what we really expect to get back.
- //
- String exp = readTestPatchFile(csOld);
- exp = exp.replace("\303\205ngstr\303\266m", "\u00c5ngstr\u00f6m");
-
- assertEquals(exp, fh.getScriptText(csOld, csNew));
- }
-
- @Test
- public void testGetText_DiffCc() throws IOException {
- final Charset csOld = ISO_8859_1;
- final Charset csNew = UTF_8;
- final Patch p = parseTestPatchFile();
- assertTrue(p.getErrors().isEmpty());
- assertEquals(1, p.getFiles().size());
- final CombinedFileHeader fh = (CombinedFileHeader) p.getFiles().get(0);
- assertEquals(1, fh.getHunks().size());
-
- // Read the original file as ISO-8859-1 and fix up the one place
- // where we changed the character encoding. That makes the exp
- // string match what we really expect to get back.
- //
- String exp = readTestPatchFile(csOld);
- exp = exp.replace("\303\205ngstr\303\266m", "\u00c5ngstr\u00f6m");
-
- assertEquals(exp, fh
- .getScriptText(new Charset[] { csNew, csOld, csNew }));
- }
-
- private Patch parseTestPatchFile() throws IOException {
- final String patchFile = JGitTestUtil.getName() + ".patch";
- try (InputStream in = getClass().getResourceAsStream(patchFile)) {
- if (in == null) {
- fail("No " + patchFile + " test vector");
- return null; // Never happens
- }
- final Patch p = new Patch();
- p.parse(in);
- return p;
- }
- }
-
- private String readTestPatchFile(Charset cs) throws IOException {
- final String patchFile = JGitTestUtil.getName() + ".patch";
- try (InputStream in = getClass().getResourceAsStream(patchFile)) {
- if (in == null) {
- fail("No " + patchFile + " test vector");
- return null; // Never happens
- }
- final InputStreamReader r = new InputStreamReader(in, cs);
- char[] tmp = new char[2048];
- final StringBuilder s = new StringBuilder();
- int n;
- while ((n = r.read(tmp)) > 0)
- s.append(tmp, 0, n);
- return s.toString();
- }
- }
- }
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