| // Copyright (c) 2019, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| package com.android.tools.r8.utils; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNull; |
| |
| import com.android.tools.r8.TestBase; |
| import com.android.tools.r8.TestParameters; |
| import com.android.tools.r8.TestParametersCollection; |
| import java.util.Map; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| @RunWith(Parameterized.class) |
| public class SegmentTreeTests extends TestBase { |
| |
| @Parameters(name = "{0}") |
| public static TestParametersCollection data() { |
| return getTestParameters().withNoneRuntime().build(); |
| } |
| |
| public SegmentTreeTests(TestParameters parameters) { |
| parameters.assertNoneRuntime(); |
| } |
| |
| private SegmentTree<Integer> tree(boolean allowOverrides) { |
| return new SegmentTree<>(allowOverrides); |
| } |
| |
| @Test |
| public void testInsertSimpleRange() { |
| SegmentTree<Integer> tree = tree(false).add(1, 100, 3); |
| Map.Entry<Integer, Integer> entry = tree.findEntry(50); |
| assertEntry(tree, 50, 1, 3); |
| assertNull(tree.find(0)); |
| assertNull(tree.find(101)); |
| } |
| |
| @Test |
| public void testInsertMultipleRanges() { |
| SegmentTree<Integer> tree = tree(false).add(1, 10, 3).add(20, 30, 7).add(31, 100, 9); |
| assertEntry(tree, 10, 1, 3); |
| assertNull(tree.findEntry(11)); |
| assertEntry(tree, 20, 20, 7); |
| assertEquals(tree.findEntry(31), tree.findEntry(100)); |
| assertNull(tree.find(101)); |
| } |
| |
| @Test(expected = AssertionError.class) |
| public void testAssertingNoOverrides() { |
| tree(false).add(1, 10, 3).add(7, 2, 4); |
| } |
| |
| @Test |
| public void testOverrideLeft() { |
| SegmentTree<Integer> tree = tree(true).add(7, 9, 2).add(6, 7, 1); |
| assertNull(tree.findEntry(5)); |
| assertEntry(tree, 7, 6, 1); |
| assertEntry(tree, 9, 8, 2); |
| assertNull(tree.findEntry(10)); |
| assertEquals(2, tree.size()); |
| } |
| |
| @Test |
| public void testOverrideRight() { |
| SegmentTree<Integer> tree = tree(true).add(6, 7, 1).add(7, 9, 2); |
| assertNull(tree.findEntry(5)); |
| assertEntry(tree, 6, 6, 1); |
| assertEntry(tree, 8, 7, 2); |
| assertNull(tree.findEntry(10)); |
| assertEquals(2, tree.size()); |
| } |
| |
| @Test |
| public void testOverrideContained() { |
| SegmentTree<Integer> tree = tree(true).add(0, 100, 1).add(25, 75, 2); |
| assertEntry(tree, 24, 0, 1); |
| assertEntry(tree, 75, 25, 2); |
| assertEntry(tree, 100, 76, 1); |
| assertNull(tree.findEntry(101)); |
| assertEquals(2, tree.size()); |
| } |
| |
| @Test |
| public void testOverrideContainer() { |
| SegmentTree<Integer> tree = tree(true).add(25, 75, 2).add(0, 100, 1); |
| assertEntry(tree, 24, 0, 1); |
| assertEntry(tree, 75, 0, 1); |
| assertEntry(tree, 100, 0, 1); |
| assertNull(tree.findEntry(101)); |
| assertEquals(1, tree.size()); |
| } |
| |
| private void assertEntry( |
| SegmentTree<Integer> tree, int index, int expectedStart, int expectedValue) { |
| assertEquals(expectedStart, (int) tree.findEntry(index).getKey()); |
| assertEquals(expectedValue, (int) tree.findEntry(index).getValue()); |
| } |
| } |