| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.intellij.vcs.log.graph.utils; |
| |
| import com.intellij.vcs.log.graph.utils.TimestampGetter; |
| import com.intellij.vcs.log.graph.utils.impl.IntTimestampGetter; |
| import org.jetbrains.annotations.NotNull; |
| import org.junit.Test; |
| |
| import static junit.framework.Assert.assertEquals; |
| import static junit.framework.Assert.fail; |
| |
| public class IntTimestampGetterTest { |
| |
| private final static long INT_MAX = Integer.MAX_VALUE; |
| private final static int BLOCK_SIZE = 3; |
| |
| private static TimestampGetter create(final long... timestamp) { |
| return new TimestampGetter() { |
| @Override |
| public int size() { |
| return timestamp.length; |
| } |
| |
| @Override |
| public long getTimestamp(int index) { |
| return timestamp[index]; |
| } |
| }; |
| } |
| |
| private static String toStr(@NotNull TimestampGetter timestampGetter) { |
| StringBuilder s = new StringBuilder(); |
| for (int i = 0; i < timestampGetter.size(); i++) { |
| if (i != 0) |
| s.append(", "); |
| s.append(timestampGetter.getTimestamp(i)); |
| } |
| return s.toString(); |
| } |
| |
| protected void runTest(long ... timestamp) { |
| TimestampGetter timestampGetter = create(timestamp); |
| IntTimestampGetter intTimestampGetter = IntTimestampGetter.newInstance(timestampGetter, BLOCK_SIZE); |
| assertEquals(toStr(timestampGetter), toStr(intTimestampGetter)); |
| } |
| |
| @Test |
| public void simple() { |
| runTest(1, 4, 2, -4, 200); |
| } |
| |
| @Test |
| public void checkEmpty() { |
| try { |
| runTest(); |
| } catch (IllegalArgumentException e) { |
| return; |
| } |
| |
| fail(); |
| } |
| |
| @Test |
| public void checkBlockSize() { |
| runTest(1); |
| runTest(1, 2); |
| runTest(1, 2, 3); |
| runTest(1, 2, 3, 4); |
| runTest(1, 2, 3, 4, 5); |
| runTest(1, 2, 3, 4, 5, 6); |
| runTest(1, 2, 3, 4, 5, 6, 7); |
| } |
| |
| @Test |
| public void oneTime() { |
| runTest(1); |
| runTest(-INT_MAX); |
| runTest(INT_MAX); |
| |
| runTest(INT_MAX - 100); |
| runTest(INT_MAX - 1000); |
| } |
| |
| @Test |
| public void overflow() { |
| runTest(1000, 1000 + INT_MAX, INT_MAX, -INT_MAX, 100 * INT_MAX); |
| } |
| } |