Alexander Udalov
d0a4f82203
It was disabling reflection on classpath at compile time, but not at runtime
114 lines
4.1 KiB
Java
114 lines
4.1 KiB
Java
/*
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* Copyright 2010-2015 JetBrains s.r.o.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jetbrains.kotlin.runtime;
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import com.intellij.testFramework.UsefulTestCase;
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import org.jetbrains.kotlin.codegen.forTestCompile.ForTestCompileRuntime;
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import java.lang.reflect.Method;
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public class ProgressionUtilTest extends UsefulTestCase {
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private static final int MAX = Integer.MAX_VALUE;
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private static final int MIN = Integer.MIN_VALUE;
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private Method intMethod;
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private Method longMethod;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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Class<?> progressionUtil = ForTestCompileRuntime.runtimeAndReflectJarClassLoader().loadClass("kotlin.internal.InternalPackage");
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this.intMethod = progressionUtil.getMethod("getProgressionFinalElement", int.class, int.class, int.class);
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this.longMethod = progressionUtil.getMethod("getProgressionFinalElement", long.class, long.class, long.class);
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}
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@Override
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protected void tearDown() throws Exception {
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this.intMethod = null;
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this.longMethod = null;
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super.tearDown();
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}
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private void doTest(int start, int end, int increment, int expected) throws Exception {
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Object actualInt = intMethod.invoke(null, start, end, increment);
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assertEquals(expected, actualInt);
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Object actualLong = longMethod.invoke(null, (long) start, (long) end, (long) increment);
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assertEquals((long) expected, actualLong);
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}
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private static final int[] INTERESTING = new int[]{ MIN, MIN / 2, -239, -23, -1, 0, 1, 42, 239, MAX / 2, MAX };
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public void testGetFinalElement() throws Exception {
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// start == end
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for (int x : INTERESTING) {
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for (int increment : INTERESTING) if (increment != 0) {
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doTest(x, x, increment, x);
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}
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}
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// increment == 1
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for (int start = 0; start < INTERESTING.length; start++) {
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for (int end = start; end < INTERESTING.length; end++) {
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doTest(INTERESTING[start], INTERESTING[end], 1, INTERESTING[end]);
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}
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}
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// increment == -1
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for (int end = 0; end < INTERESTING.length; end++) {
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for (int start = end; start < INTERESTING.length; start++) {
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doTest(INTERESTING[start], INTERESTING[end], -1, INTERESTING[end]);
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}
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}
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// end == MAX
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doTest(0, MAX, MAX, MAX);
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doTest(0, MAX, MAX / 2, MAX - 1);
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doTest(MIN + 1, MAX, MAX, MAX);
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doTest(MAX - 7, MAX, 3, MAX - 1);
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doTest(MAX - 7, MAX, MAX, MAX - 7);
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// end == MIN
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doTest(0, MIN, MIN, MIN);
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doTest(0, MIN, MIN / 2, MIN);
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doTest(MAX, MIN, MIN, -1);
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doTest(MIN + 7, MIN, -3, MIN + 1);
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doTest(MIN + 7, MIN, MIN, MIN + 7);
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// Small tests
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for (int start = -10; start < 10; start++) {
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for (int end = -10; end < 10; end++) {
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for (int increment = -20; increment < 20; increment++) {
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// Cut down incorrect test data
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if (increment == 0) continue;
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if ((increment > 0) != (start <= end)) continue;
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// Iterate over the progression and obtain the expected result
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int x = start;
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while (true) {
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int next = x + increment;
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if (next < Math.min(start, end) || next > Math.max(start, end)) break;
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x = next;
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}
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doTest(start, end, increment, x);
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}
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}
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}
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}
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}
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