694 lines
27 KiB
Java
694 lines
27 KiB
Java
/*
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* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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*
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* @test
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* @bug 4533872 4915683 4922962 4985217 5017280 6242664 6588260
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* @summary Unit tests for supplementary character support (JSR-204)
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*/
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public class Supplementary {
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public static void main(String[] args) {
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test1(); // Test for codePointAt(int index)
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test2(); // Test for codePointBefore(int index)
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test3(); // Test for indexOf(int ch)
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test4(); // Test for indexOf(int ch, int fromIndex)
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test5(); // Test for lastIndexOf(int ch)
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test6(); // Test for lastIndexOf(int ch, int fromIndex)
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test7(); // Test for String(int[] codePoint, int offset, int count)
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test8(); // Test for codePointCount(int beginIndex, int endIndex)
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test9(); // Test for offsetByCodePoints(int index, int offset)
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test10(); // Test for offsetByCodePoints(int index, int offset)
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// To verify the fix for 6242664
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}
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/* Text strings which are used as input data.
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* The comment above each text string means the index of each 16-bit char
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* for convenience.
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*/
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static final String[] input = {
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/* 111 1 111111 22222
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0123 4 5678 9 012 3 456789 01234 */
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"abc\uD800\uDC00def\uD800\uD800ab\uD800\uDC00cdefa\uDC00bcdef",
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/* 1 1111 1111 1 222
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0 12345 6789 0 1234 5678 9 012 */
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"\uD800defg\uD800hij\uD800\uDC00klm\uDC00nop\uDC00\uD800rt\uDC00",
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/* 11 1 1111 1 112 222
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0 12345 6 78901 2 3456 7 890 123 */
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"\uDC00abcd\uDBFF\uDFFFefgh\uD800\uDC009ik\uDC00\uDC00lm\uDC00no\uD800",
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/* 111 111111 1 22 2
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0 1 2345 678 9 012 345678 9 01 2 */
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"\uD800\uDC00!#$\uD800%&\uD800\uDC00;+\uDC00<>;=^\uDC00\\@\uD800\uDC00",
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// includes an undefined supplementary character in Unicode 4.0.0
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/* 1 11 1 1111 1
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0 1 2345 6 789 0 12 3 4567 8 */
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"\uDB40\uDE00abc\uDE01\uDB40de\uDB40\uDE02f\uDB40\uDE03ghi\uDB40\uDE02",
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// all supplementary characters
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/* 1 1
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0 1 2 3 4 5 6 7 8 9 0 1 */
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"\uD800\uDC00\uD800\uDC01\uD800\uDC02\uD800\uDC03\uD800\uDC04\uD800\uDC05"+
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/* 1 1 1 1 1 1 1 1 2 2 2 2
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2 3 4 5 6 7 8 9 0 1 2 3 */
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"\uD800\uDC06\uD800\uDC07\uD800\uDC08\uD800\uDC08\uD800\uDC09\uD800\uDC0A"+
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/* 2 2 2 2 2 2 3 3 3 3 3 3
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4 5 6 7 8 9 0 1 2 3 4 5 */
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"\uD800\uDC0B\uD800\uDC0C\uD800\uDC0D\uD800\uDC0A\uD800\uDC0F\uD800\uDC10"
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};
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/* Expected results for:
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* test1(): for codePointAt()
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*
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* Each character in each array is the golden data for each text string
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* in the above input data. For example, the first data in each array is
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* for the first input string.
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*/
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static final int[][] golden1 = {
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{'a', 0xD800, 0xDC00, 0x10000, 0xE0200, 0x10000},// codePointAt(0)
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{0xD800, 0x10000, 'g', 0xDC00, 0xE0202, 0xDC04}, // codePointAt(9)
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{'f', 0xDC00, 0xD800, 0xDC00, 0xDE02, 0xDC10}, // codePointAt(length-1)
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{'f', 'p', 0xDC00, '^', 0xE0202, 0xDC08}, // codePointAt() for a substring
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};
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/*
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* Test for codePointAt(int index) method
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*/
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static void test1() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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/*
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* Normal case
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*/
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testCodePoint(At, s, 0, golden1[0][i]);
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testCodePoint(At, s, 9, golden1[1][i]);
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testCodePoint(At, s, s.length()-1, golden1[2][i]);
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testCodePoint(At, s.substring(17), 0, golden1[3][i]);
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/*
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* Abnormal case - verify that an exception is thrown.
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*/
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testCodePoint(At, s, -1);
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testCodePoint(At, s, s.length());
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}
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}
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/* Expected results for:
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* test2(): for codePointBefore()
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*
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* Each character in each array is the golden data for each text string
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* in the above input data. For example, the first data in each array is
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* for the first input string.
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*/
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static final int[][] golden2 = {
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{'a', 0xD800, 0xDC00, 0xD800, 0xDB40, 0xD800}, // codePointBefore(1)
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{0xD800, 'l', 0x10000, 0xDC00, 0xDB40, 0xD800}, // codePointBefore(13)
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{'f', 0xDC00, 0xD800, 0x10000, 0xE0202, 0x10010},// codePointBefore(length)
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{'b', 'd', 'a', 0xDC00, 0xDE00, 0xDC00}, // codePointBefore() for a substring
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};
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/*
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* Test for codePointBefore(int index) method
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*/
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static void test2() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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/*
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* Normal case
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*/
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testCodePoint(Before, s, 1, golden2[0][i]);
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testCodePoint(Before, s, 13, golden2[1][i]);
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testCodePoint(Before, s, s.length(), golden2[2][i]);
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testCodePoint(Before, s.substring(1), 1, golden2[3][i]);
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/*
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* Abnormal case - verify that an exception is thrown.
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*/
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testCodePoint(Before, s, 0);
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testCodePoint(Before, s, s.length()+1);
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}
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}
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/* Expected results for:
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* test3(): for indexOf(int ch)
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* test4(): for indexOf(int ch, int fromIndex)
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* test5(): for lastIndexOf(int ch)
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* test6(): for lastIndexOf(int ch, int fromIndex)
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*
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* Unlike golden1 and golden2, golden3[m][] is the golden data for text
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* string in input[m].
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*
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* The meaning of each element in golden3[][n]
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* golden3[][0]: character which is searched.
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* golden3[][2]: the golden data for indexOf(int ch)
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* From golden3[][2] to golden3[][n-1]:
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* the golden data for indexOf(int ch, int fromIndex)
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* The golden3[][n-2]: the golden data for lastIndexOf(int ch)
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* From golden3[][1] to golden3[][n-2]:
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* the golden data for lastIndexOf(int ch, int fromIndex)
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*
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* In other words, the data format is
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* { ch, -1, index1, index2, ..., -1}
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* where index1, index2, ... are all indices of the ch occurrences.
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*/
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static final int[][] golden3 = {
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/* ch indices */
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{'b', -1, 1, 11, 20, -1},
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{0xD800, -1, 0, 5, 9, 19, -1},
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{0xDC00, -1, 0, 12, 16, 17, 20, -1},
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{0x10000, -1, 0, 8, 21, -1},
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{0xE0202, -1, 9, 17, -1},
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{0x1000A, -1, 22, 30, -1}
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};
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/*
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* Test for indexOf(int ch) method
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*/
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static void test3() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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/*
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* Normal case
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*/
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testIndexOf(s, golden3[i][0], golden3[i][2]);
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/*
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* Abnormal case - char which isn't included in the string.
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*/
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testIndexOf(s, 'Z', -1);
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testIndexOf(s, 0xDB98, -1);
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testIndexOf(s, 0xDE76, -1);
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testIndexOf(s, 0x12345, -1);
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testIndexOf(s, -1, -1);
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testIndexOf(s, 0x110000, -1);
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}
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}
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/*
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* Test for indexOf(int ch, int fromIndex) method
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*/
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static void test4() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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int ch = golden3[i][0];
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/*
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* Normal case
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*/
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int fromIndex = 0;
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for (int j = 2; j < golden3[i].length; j++) {
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fromIndex = testIndexOf(s, fromIndex, ch,
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golden3[i][j]) + 1;
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}
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/*
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* Abnormal case1 - char is included in the string but fromIndex
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* is incorrect.
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*/
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testIndexOf(s, -1, ch, golden3[i][2]);
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testIndexOf(s, s.length(), ch,
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golden3[i][golden3[i].length-1]);
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/*
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* Abnormal case2 - char which isn't included in the string.
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*/
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testIndexOf(s, 0, 'Z', -1);
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testIndexOf(s, 0, 0xDB98, -1);
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testIndexOf(s, 0, 0xDE76, -1);
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testIndexOf(s, 0, 0x12345, -1);
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testIndexOf(s, 0, -1, -1);
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testIndexOf(s, 0, 0x110000, -1);
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}
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}
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/*
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* Test for lastIndexOf(int ch) method
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*/
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static void test5() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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/*
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* Normal case
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*/
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testLastIndexOf(s, golden3[i][0],
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golden3[i][golden3[i].length-2]);
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/*
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* Abnormal case - char which isn't included in the string.
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*/
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testLastIndexOf(s, 'Z', -1);
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testLastIndexOf(s, 0xDB98, -1);
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testLastIndexOf(s, 0xDE76, -1);
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testLastIndexOf(s, 0x12345, -1);
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testLastIndexOf(s, -1, -1);
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testLastIndexOf(s, 0x110000, -1);
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}
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}
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/*
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* Test for lastIndexOf(int ch, int fromIndex) method
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*/
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static void test6() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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int ch = golden3[i][0];
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int len = s.length();
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/*
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* Normal case
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*/
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int fromIndex = len - 1;
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for (int j = golden3[i].length - 2; j > 0; j--) {
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fromIndex = testLastIndexOf(s, fromIndex, ch,
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golden3[i][j]) - 1;
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}
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/*
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* Abnormal case1 - char is included in the string but fromIndex
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* is incorrect.
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*/
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testLastIndexOf(s, -1, ch, golden3[i][1]);
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testLastIndexOf(s, len, ch, golden3[i][golden3[i].length-2]);
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/*
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* Abnormal case2 - char which isn't included in the string.
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*/
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testLastIndexOf(s, len, 'Z', -1);
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testLastIndexOf(s, len, 0xDB98, -1);
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testLastIndexOf(s, len, 0xDE76, -1);
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testLastIndexOf(s, len, 0x12345, -1);
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testLastIndexOf(s, len, -1, -1);
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testLastIndexOf(s, len, 0x110000, -1);
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}
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}
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/**
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* Test for String(int[] codePoint, int offset, int count).
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*/
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static void test7() {
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for (int i = 0; i < input.length; i++) {
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String s = input[i];
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int nCodePoints = 0;
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int c;
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for (int j = 0; j < s.length(); j += Character.charCount(c)) {
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c = s.codePointAt(j);
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nCodePoints++;
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}
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int[] codePoints = new int[nCodePoints];
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int count = 0, mid = 0, offset = 0;
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for (int j = 0; j < s.length(); j += Character.charCount(c)) {
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if (mid == 0 && j >= s.length()/2) {
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mid = j;
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offset = count;
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}
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c = s.codePointAt(j);
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codePoints[count++] = c;
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}
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String cps = new String(codePoints, 0, count);
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check(!s.equals(cps), "new String(int[]...) with input[" + i + "]");
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cps = new String(codePoints, 0, offset);
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check(!s.substring(0, mid).equals(cps),
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"first half: new String(int[]...) with input[" + i + "]");
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cps = new String(codePoints, offset, count - offset);
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check(!s.substring(mid).equals(cps),
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"second half: new String(int[]...) with input[" + i + "]");
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// test exceptions
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testNewString(null, 0, count, NullPointerException.class);
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testNewString(codePoints, -1, count, IndexOutOfBoundsException.class);
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testNewString(codePoints, 0, count+1, IndexOutOfBoundsException.class);
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testNewString(codePoints, offset, count, IndexOutOfBoundsException.class);
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testNewString(codePoints, offset, -1, IndexOutOfBoundsException.class);
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testNewString(codePoints, count, 1, IndexOutOfBoundsException.class);
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codePoints[offset] = -1;
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testNewString(codePoints, 0, count, IllegalArgumentException.class);
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codePoints[offset] = Character.MAX_CODE_POINT+1;
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testNewString(codePoints, 0, count, IllegalArgumentException.class);
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}
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{
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// 6588260: (str) ArrayIndexOutOfBoundsException when trying
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// to create a String from codePoints
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//int[] x = new int[Character.MAX_CODE_POINT+1];
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int[] x = new int[Character.MAX_CODE_POINT];
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for (int i = 0; i < x.length; i++)
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if (i != 0xdbff) // For round-trip safety
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x[i] = i;
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final String s = new String(x, 0, x.length);
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check(s.codePointCount(0, s.length()) != x.length,
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"s.codePointCount(0, s.length()) != x.length");
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check(s.length() <= x.length,
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"s.length() <= x.length");
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for (int i = 0, j = 0; i < x.length; i++) {
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int c = s.codePointAt(j);
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check(c != x[i], "c != x[i]");
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j += Character.charCount(c);
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}
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}
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}
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/**
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* Test codePointCount(int, int)
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*
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* This test case assumes that
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* Character.codePointCount(CharSequence, int, int) works
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* correctly.
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*/
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static void test8() {
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for (int i = 0; i < input.length; i++) {
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String str = input[i];
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int length = str.length();
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for (int j = 0; j <= length; j++) {
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int result = str.codePointCount(j, length);
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int expected = Character.codePointCount(str, j, length);
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check(result != expected, "codePointCount(input["+i+"], "+j+", "+length+")",
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result, expected);
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// Create a substring of the text range. It shares the
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// underlying char[] of the String str.
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String substr = str.substring(j, length);
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result = substr.codePointCount(0, substr.length());
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check(result != expected, "substring:codePointCount(input["+i+"], "+j+", "+length+")",
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result, expected);
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}
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for (int j = length; j >= 0; j--) {
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int result = str.codePointCount(0, j);
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int expected = Character.codePointCount(str, 0, j);
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check(result != expected, "codePointCount(input["+i+"], 0, "+j+")",
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result, expected);
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String substr = str.substring(0, j);
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result = substr.codePointCount(0, substr.length());
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check(result != expected, "substring:codePointCount(input["+i+"], 0, "+j+")",
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result, expected);
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}
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// test exceptions
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testCodePointCount(null, 0, 0, NullPointerException.class);
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testCodePointCount(str, -1, length, IndexOutOfBoundsException.class);
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testCodePointCount(str, 0, length+1, IndexOutOfBoundsException.class);
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testCodePointCount(str, length, length-1, IndexOutOfBoundsException.class);
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}
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}
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/**
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* Test offsetByCodePoints(int, int)
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*
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* This test case assumes that
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* Character.codePointCount(CharSequence, int, int) works
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* correctly.
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*/
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static void test9() {
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for (int i = 0; i < input.length; i++) {
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String str = input[i];
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int length = str.length();
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for (int j = 0; j <= length; j++) {
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int nCodePoints = Character.codePointCount(str, j, length);
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int result = str.offsetByCodePoints(j, nCodePoints);
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check(result != length,
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"offsetByCodePoints(input["+i+"], "+j+", "+nCodePoints+")",
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result, length);
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result = str.offsetByCodePoints(length, -nCodePoints);
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int expected = j;
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if (j > 0 && j < length) {
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int cp = str.codePointBefore(j+1);
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if (Character.isSupplementaryCodePoint(cp)) {
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expected--;
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}
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}
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check(result != expected,
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"offsetByCodePoints(input["+i+"], "+j+", "+(-nCodePoints)+")",
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result, expected);
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}
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for (int j = length; j >= 0; j--) {
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int nCodePoints = Character.codePointCount(str, 0, j);
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int result = str.offsetByCodePoints(0, nCodePoints);
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int expected = j;
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if (j > 0 && j < length) {
|
|
int cp = str.codePointAt(j-1);
|
|
if (Character.isSupplementaryCodePoint(cp)) {
|
|
expected++;
|
|
}
|
|
}
|
|
check(result != expected,
|
|
"offsetByCodePoints(input["+i+"], 0, "+nCodePoints+")",
|
|
result, expected);
|
|
result = str.offsetByCodePoints(j, -nCodePoints);
|
|
check(result != 0,
|
|
"offsetByCodePoints(input["+i+"], "+j+", "+(-nCodePoints)+")",
|
|
result, 0);
|
|
}
|
|
|
|
// test exceptions
|
|
testOffsetByCodePoints(null, 0, 0, NullPointerException.class);
|
|
testOffsetByCodePoints(str, -1, length, IndexOutOfBoundsException.class);
|
|
testOffsetByCodePoints(str, 0, length+1, IndexOutOfBoundsException.class);
|
|
testOffsetByCodePoints(str, 1, -2, IndexOutOfBoundsException.class);
|
|
testOffsetByCodePoints(str, length, length-1, IndexOutOfBoundsException.class);
|
|
testOffsetByCodePoints(str, length, -(length+1), IndexOutOfBoundsException.class);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Test offsetByCodePoints(int, int) - to verify the fix for 6242664
|
|
*
|
|
* This test case assumes that
|
|
* Character.codePointCount(CharSequence, int, int) works
|
|
* correctly.
|
|
*/
|
|
static void test10() {
|
|
String header = "H\uD800e\uDFFFa\uDBFF\uDC00der<";
|
|
for (int i = 0; i < input.length; i++) {
|
|
String wholeString = header + input[i];
|
|
String str = wholeString.substring(header.length());
|
|
int length = str.length();
|
|
for (int j = 0; j <= length; j++) {
|
|
int nCodePoints = Character.codePointCount(str, j, length);
|
|
int result = str.offsetByCodePoints(j, nCodePoints);
|
|
check(result != length,
|
|
"offsetByCodePoints(input["+i+"], "+j+", "+nCodePoints+")",
|
|
result, length);
|
|
result = str.offsetByCodePoints(length, -nCodePoints);
|
|
int expected = j;
|
|
if (j > 0 && j < length) {
|
|
int cp = str.codePointBefore(j+1);
|
|
if (Character.isSupplementaryCodePoint(cp)) {
|
|
expected--;
|
|
}
|
|
}
|
|
check(result != expected,
|
|
"offsetByCodePoints(input["+i+"], "+j+", "+(-nCodePoints)+")",
|
|
result, expected);
|
|
}
|
|
for (int j = length; j >= 0; j--) {
|
|
int nCodePoints = Character.codePointCount(str, 0, j);
|
|
int result = str.offsetByCodePoints(0, nCodePoints);
|
|
int expected = j;
|
|
if (j > 0 && j < length) {
|
|
int cp = str.codePointAt(j-1);
|
|
if (Character.isSupplementaryCodePoint(cp)) {
|
|
expected++;
|
|
}
|
|
}
|
|
check(result != expected,
|
|
"offsetByCodePoints(input["+i+"], 0, "+nCodePoints+")",
|
|
result, expected);
|
|
result = str.offsetByCodePoints(j, -nCodePoints);
|
|
check(result != 0,
|
|
"offsetByCodePoints(input["+i+"], "+j+", "+(-nCodePoints)+")",
|
|
result, 0);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static final boolean At = true, Before = false;
|
|
static final boolean FIRST = true, LAST = false;
|
|
|
|
static void testCodePoint(boolean isAt, String s, int index, int expected) {
|
|
int c = isAt ? s.codePointAt(index) : s.codePointBefore(index);
|
|
|
|
check(c != expected,
|
|
"codePoint" + (isAt ? "At" : "Before") + "(" + index + ") for <"
|
|
+ s + ">", c, expected);
|
|
}
|
|
|
|
static void testCodePoint(boolean isAt, String s, int index) {
|
|
boolean exceptionOccurred = false;
|
|
|
|
try {
|
|
int c = isAt ? s.codePointAt(index) : s.codePointBefore(index);
|
|
}
|
|
catch (StringIndexOutOfBoundsException e) {
|
|
exceptionOccurred = true;
|
|
}
|
|
check(!exceptionOccurred,
|
|
"codePoint" + (isAt ? "At" : "Before") + "(" + index + ") for <"
|
|
+ s + "> should throw StringIndexOutOfBoundsPointerException.");
|
|
}
|
|
|
|
static void testIndexOf(String s, int c, int expected) {
|
|
testIndexOf2(s, c, expected);
|
|
if (s.indexOf(c) != -1) {
|
|
testIndexOf2(s + (char) c, c, expected);
|
|
if (Character.isSupplementaryCodePoint(c)) {
|
|
char[] surrogates = Character.toChars(c);
|
|
testIndexOf2(s + new String(surrogates), c, expected);
|
|
testIndexOf2(s + surrogates[0], c, expected);
|
|
testIndexOf2(s + surrogates[1], c, expected);
|
|
testIndexOf2(new String(surrogates) + s, c, 0);
|
|
testIndexOf2(surrogates[0] + s, c, expected + 1);
|
|
testIndexOf2(surrogates[1] + s, c, expected + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void testIndexOf2(String s, int c, int expected) {
|
|
int index = s.indexOf(c);
|
|
|
|
check(index != expected,
|
|
"indexOf(" + toHexString(c) + ") for <" + s + ">",
|
|
index, expected);
|
|
}
|
|
|
|
static void testLastIndexOf(String s, int c, int expected) {
|
|
testLastIndexOf2(s, c, expected);
|
|
if (s.lastIndexOf(c) != -1) {
|
|
testLastIndexOf2((char) c + s, c, expected + 1);
|
|
if (Character.isSupplementaryCodePoint(c)) {
|
|
char[] surrogates = Character.toChars(c);
|
|
testLastIndexOf2(s + new String(surrogates), c, s.length());
|
|
testLastIndexOf2(s + surrogates[0], c, expected);
|
|
testLastIndexOf2(s + surrogates[1], c, expected);
|
|
testLastIndexOf2(new String(surrogates) + s, c, expected + 2);
|
|
testLastIndexOf2(surrogates[0] + s, c, expected + 1);
|
|
testLastIndexOf2(surrogates[1] + s, c, expected + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
static void testLastIndexOf2(String s, int c, int expected) {
|
|
int index = s.lastIndexOf(c);
|
|
|
|
check(index != expected,
|
|
"lastIndexOf(" + toHexString(c) + ") for <" + s + ">",
|
|
index, expected);
|
|
}
|
|
|
|
static int testIndexOf(String s, int fromIndex, int c, int expected) {
|
|
int index = s.indexOf(c, fromIndex);
|
|
|
|
check(index != expected,
|
|
"indexOf(" + toHexString(c) + ", "
|
|
+ fromIndex + ") for <" + s + ">",
|
|
index, expected);
|
|
|
|
return index;
|
|
}
|
|
|
|
static int testLastIndexOf(String s, int fromIndex, int c, int expected) {
|
|
int index = s.lastIndexOf(c, fromIndex);
|
|
|
|
check(index != expected,
|
|
"lastIndexOf(" + toHexString(c) + ", "
|
|
+ fromIndex + ") for <" + s + ">",
|
|
index, expected);
|
|
|
|
return index;
|
|
}
|
|
|
|
static void testNewString(int[] codePoints, int offset, int count, Class expectedException) {
|
|
try {
|
|
String s = new String(codePoints, offset, count);
|
|
} catch (Exception e) {
|
|
if (expectedException.isInstance(e)) {
|
|
return;
|
|
}
|
|
throw new RuntimeException("Error: Unexpected exception", e);
|
|
}
|
|
check(true, "new String(int[]...) didn't throw " + expectedException.getName());
|
|
}
|
|
|
|
static void testCodePointCount(String str, int beginIndex, int endIndex,
|
|
Class expectedException) {
|
|
try {
|
|
int n = str.codePointCount(beginIndex, endIndex);
|
|
} catch (Exception e) {
|
|
if (expectedException.isInstance(e)) {
|
|
return;
|
|
}
|
|
throw new RuntimeException("Error: Unexpected exception", e);
|
|
}
|
|
check(true, "codePointCount() didn't throw " + expectedException.getName());
|
|
}
|
|
|
|
static void testOffsetByCodePoints(String str, int index, int offset,
|
|
Class expectedException) {
|
|
try {
|
|
int n = str.offsetByCodePoints(index, offset);
|
|
} catch (Exception e) {
|
|
if (expectedException.isInstance(e)) {
|
|
return;
|
|
}
|
|
throw new RuntimeException("Error: Unexpected exception", e);
|
|
}
|
|
check(true, "offsetByCodePoints() didn't throw " + expectedException.getName());
|
|
}
|
|
|
|
static void check(boolean err, String msg) {
|
|
if (err) {
|
|
throw new RuntimeException("Error: " + msg);
|
|
}
|
|
}
|
|
|
|
static void check(boolean err, String s, int got, int expected) {
|
|
if (err) {
|
|
throw new RuntimeException("Error: " + s
|
|
+ " returned an unexpected value. got "
|
|
+ toHexString(got)
|
|
+ ", expected "
|
|
+ toHexString(expected));
|
|
}
|
|
}
|
|
|
|
private static String toHexString(int c) {
|
|
return "0x" + Integer.toHexString(c);
|
|
}
|
|
}
|