133 lines
No EOL
4 KiB
Java
133 lines
No EOL
4 KiB
Java
/*
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* Copyright 2011 The Closure Compiler Authors. All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.google.debugging.sourcemap;
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import junit.framework.TestCase;
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/**
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* @author johnlenz@google.com (John Lenz)
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*/
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public class Base64VLQTest extends TestCase {
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public void testBase64VLQSelectedValues1() {
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for (int i = 0; i < 63; i++) {
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testValue(i);
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}
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}
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public void testBase64VLQSelectedValues2() {
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int base = 1;
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for (int i = 0; i < 30; i++) {
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testValue(base-1);
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testValue(base);
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base *= 2;
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}
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}
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public void testBase64VLQSelectedSignedValues1() {
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for (int i = -(64*64-1); i < (64*64-1); i++) {
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testValue(i);
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}
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}
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public void testBase64VLQSelectedSignedValues2() {
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int base = 1;
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for (int i = 0; i < 30; i++) {
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testValue(base-1);
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testValue(base);
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base *= 2;
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}
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base = -1;
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for (int i = 0; i < 30; i++) {
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testValue(base-1);
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testValue(base);
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base *= 2;
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}
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}
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static class CharIteratorImpl implements Base64VLQ.CharIterator {
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private int current;
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private int length;
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private CharSequence cs;
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void set(CharSequence sb) {
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this.current = 0;
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this.length = sb.length();
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this.cs = sb;
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}
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@Override
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public boolean hasNext() {
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return current < length;
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}
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@Override
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public char next() {
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return cs.charAt(current++);
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}
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}
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// Disable this test if it is flaky.
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public void testSpeed() {}
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// Defects4J: flaky method
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// public void testSpeed() {
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// long start = System.currentTimeMillis();
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// CharIteratorImpl ci = new CharIteratorImpl();
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// try {
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// StringBuilder sb = new StringBuilder();
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// for (int i = 0; i < 1000000; i++) {
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// Base64VLQ.encode(sb, i);
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// ci.set(sb);
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// int result = Base64VLQ.decode(ci);
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// assertEquals(i, result);
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// sb.setLength(0);
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// }
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// } catch (Exception e) {
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// throw new RuntimeException("failed.", e);
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// }
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// long end = System.currentTimeMillis();
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// // Was 200ms or less, use a larger number to prevent flakiness
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// assertTrue("too slow", end-start < 1000);
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// }
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private void testValue(int value) {
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try {
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StringBuilder sb = new StringBuilder();
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Base64VLQ.encode(sb, value);
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CharIteratorImpl ci = new CharIteratorImpl();
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ci.set(sb);
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int result = Base64VLQ.decode(ci);
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assertEquals(value, result);
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} catch (Exception e) {
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throw new RuntimeException("failed for value " + value, e);
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}
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}
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} |