--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/lang/String/LiteralReplace.java Wed Jun 03 19:26:58 2015 +0300
@@ -0,0 +1,184 @@
+/*
+ * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+/* @test
+ * @bug 8058779
+ * @library /lib/testlibrary/
+ * @build jdk.testlibrary.RandomFactory
+ * @run testng LiteralReplace
+ * @summary Basic tests of String.replace(CharSequence, CharSequence)
+ * @key randomness
+ */
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.Random;
+
+import jdk.testlibrary.RandomFactory;
+
+import org.testng.annotations.Test;
+import org.testng.annotations.DataProvider;
+import static org.testng.Assert.fail;
+
+public class LiteralReplace {
+
+ @Test(dataProvider="sourceTargetReplacementExpected")
+ public void testExpected(String source, String target,
+ String replacement, String expected)
+ {
+ String canonical = canonicalReplace(source, target, replacement);
+ if (!canonical.equals(expected)) {
+ fail("Canonical: " + canonical + " != " + expected);
+ }
+ test0(source, target, replacement, expected);
+ }
+
+ @Test(dataProvider="sourceTargetReplacement")
+ public void testCanonical(String source, String target,
+ String replacement)
+ {
+ String canonical = canonicalReplace(source, target, replacement);
+ test0(source, target, replacement, canonical);
+ }
+
+ private void test0(String source, String target, String replacement,
+ String expected)
+ {
+ String result = source.replace(target, replacement);
+ if (!result.equals(expected)) {
+ fail(result + " != " + expected);
+ }
+ }
+
+ @Test(dataProvider="sourceTargetReplacementWithNull",
+ expectedExceptions = {NullPointerException.class})
+ public void testNPE(String source, String target, String replacement) {
+ source.replace(target, replacement);
+ }
+
+
+ @DataProvider
+ public static Object[][] sourceTargetReplacementExpected() {
+ return new Object[][] {
+ {"aaa", "aa", "b", "ba"},
+ {"abcdefgh", "def", "DEF", "abcDEFgh"},
+ {"abcdefgh", "123", "DEF", "abcdefgh"},
+ {"abcdefgh", "abcdefghi", "DEF", "abcdefgh"},
+ {"abcdefghabc", "abc", "DEF", "DEFdefghDEF"},
+ {"abcdefghdef", "def", "", "abcgh"},
+ {"abcdefgh", "", "_", "_a_b_c_d_e_f_g_h_"},
+ {"", "", "", ""},
+ {"", "a", "b", ""},
+ {"", "", "abc", "abc"},
+ {"abcdefgh", "abcdefgh", "abcdefgh", "abcdefgh"},
+ {"abcdefgh", "abcdefgh", "abcdefghi", "abcdefghi"},
+ {"abcdefgh", "abcdefgh", "", ""},
+ {"abcdabcd", "abcd", "", ""},
+ {"aaaaaaaaa", "aa", "_X_", "_X__X__X__X_a"},
+ {"aaaaaaaaa", "aa", "aaa", "aaaaaaaaaaaaa"},
+ {"aaaaaaaaa", "aa", "aa", "aaaaaaaaa"},
+ {"a.c.e.g.", ".", "-", "a-c-e-g-"},
+ {"abcdefgh", "[a-h]", "X", "abcdefgh"},
+ {"aa+", "a+", "", "a"},
+ {"^abc$", "abc", "x", "^x$"},
+ };
+ }
+
+ @DataProvider
+ public static Iterator<Object[]> sourceTargetReplacement() {
+ ArrayList<Object[]> list = new ArrayList<>();
+ for (int maxSrcLen = 1; maxSrcLen <= (1 << 10); maxSrcLen <<= 1) {
+ for (int maxTrgLen = 1; maxTrgLen <= (1 << 10); maxTrgLen <<= 1) {
+ for (int maxPrlLen = 1; maxPrlLen <= (1 << 10); maxPrlLen <<= 1) {
+ list.add(makeArray(makeRandomString(maxSrcLen),
+ makeRandomString(maxTrgLen),
+ makeRandomString(maxPrlLen)));
+
+ String source = makeRandomString(maxSrcLen);
+ list.add(makeArray(source,
+ mekeRandomSubstring(source, maxTrgLen),
+ makeRandomString(maxPrlLen)));
+ }
+ }
+ }
+ return list.iterator();
+ }
+
+ @DataProvider
+ public static Iterator<Object[]> sourceTargetReplacementWithNull() {
+ ArrayList<Object[]> list = new ArrayList<>();
+ Object[] arr = {null, "", "a", "b", "string", "str", "ababstrstr"};
+ for (int i = 0; i < arr.length; ++i) {
+ for (int j = 0; j < arr.length; ++j) {
+ for (int k = 0; k < arr.length; ++k) {
+ if (arr[i] != null && (arr[j] == null || arr[k] == null)) {
+ list.add(makeArray(arr[i], arr[j], arr[k]));
+ }
+ }
+ }
+ }
+ return list.iterator();
+ }
+
+ // utilities
+
+ /**
+ * How the String.replace(CharSequence, CharSequence) used to be implemented
+ */
+ private static String canonicalReplace(String source, String target, String replacement) {
+ return Pattern.compile(target.toString(), Pattern.LITERAL).matcher(
+ source).replaceAll(Matcher.quoteReplacement(replacement.toString()));
+ }
+
+ private static final Random random = RandomFactory.getRandom();
+
+ private static final char[] CHARS = ("qwertyuiop[]12345678" +
+ "90-=\\`asdfghjkl;'zxcvbnm,./~!@#$%^&*()_+|QWERTYUIOP{" +
+ "}ASDFGHJKL:\"ZXCVBNM<>?\n\r\t\u0444\u044B\u0432\u0430").toCharArray();
+
+ private static String makeRandomString(int maxLen) {
+ int len = random.nextInt(maxLen);
+ char[] buf = new char[len];
+ for (int i = 0; i < len; ++i) {
+ buf[i] = CHARS[random.nextInt(CHARS.length)];
+ }
+ return new String(buf);
+ }
+
+ private static String mekeRandomSubstring(String source, int maxLen) {
+ if (source.isEmpty()) {
+ return source;
+ }
+ int pos = random.nextInt(source.length());
+ int len = Integer.min(source.length() - pos,
+ random.nextInt(maxLen));
+ return source.substring(pos, pos + len);
+ }
+
+ private static Object[] makeArray(Object... array) {
+ return array;
+ }
+}