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Diffstat (limited to 'org.jacoco.core.test/src/org/jacoco/core/internal/flow/InstructionTest.java')
-rw-r--r-- | org.jacoco.core.test/src/org/jacoco/core/internal/flow/InstructionTest.java | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/org.jacoco.core.test/src/org/jacoco/core/internal/flow/InstructionTest.java b/org.jacoco.core.test/src/org/jacoco/core/internal/flow/InstructionTest.java deleted file mode 100644 index 950827c1..00000000 --- a/org.jacoco.core.test/src/org/jacoco/core/internal/flow/InstructionTest.java +++ /dev/null @@ -1,124 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * Marc R. Hoffmann - initial API and implementation - * - *******************************************************************************/ -package org.jacoco.core.internal.flow; - -import static org.junit.Assert.assertEquals; -import static org.junit.Assert.assertSame; - -import org.junit.Before; -import org.junit.Test; -import org.objectweb.asm.Opcodes; -import org.objectweb.asm.tree.InsnNode; - -/** - * Unit tests for {@link Instruction}. - */ -public class InstructionTest { - - private Instruction instruction; - - @Before - public void setup() { - instruction = new Instruction(new InsnNode(Opcodes.NOP), 123); - } - - @Test - public void testInit() { - final InsnNode node = new InsnNode(Opcodes.NOP); - instruction = new Instruction(node, 123); - assertSame(node, instruction.getNode()); - assertEquals(123, instruction.getLine()); - assertEquals(0, instruction.getBranches()); - assertEquals(0, instruction.getCoveredBranches()); - } - - @Test - public void testAddBranch() { - instruction.addBranch(); - assertEquals(1, instruction.getBranches()); - instruction.addBranch(); - assertEquals(2, instruction.getBranches()); - instruction.addBranch(); - assertEquals(3, instruction.getBranches()); - assertEquals(0, instruction.getCoveredBranches()); - } - - @Test - public void testSetPredecessor() { - final Instruction predecessor = new Instruction( - new InsnNode(Opcodes.NOP), 122); - instruction.setPredecessor(predecessor, 0); - assertEquals(1, predecessor.getBranches()); - } - - @Test - public void setCovered_should_mark_branch_in_predecessor() { - final Instruction i = new Instruction(new InsnNode(Opcodes.NOP), 122); - i.setCovered(2); - assertEquals(1, i.getCoveredBranches()); - assertEquals("{2}", i.toString()); - - final Instruction s1 = new Instruction(new InsnNode(Opcodes.NOP), 123); - s1.setPredecessor(i, 1); - s1.setCovered(0); - assertEquals("{0}", s1.toString()); - assertEquals(1, s1.getCoveredBranches()); - assertEquals("{1, 2}", i.toString()); - assertEquals(2, i.getCoveredBranches()); - - final Instruction s2 = new Instruction(new InsnNode(Opcodes.NOP), 124); - s2.setPredecessor(i, 0); - s2.setCovered(1); - assertEquals("{0}", s1.toString()); - assertEquals(1, s2.getCoveredBranches()); - assertEquals("{0, 1, 2}", i.toString()); - assertEquals(3, i.getCoveredBranches()); - } - - @Test - public void should_use_BitSet_to_hold_information_about_branches_of_big_switches() { - for (int branch = 0; branch < 256; branch++) { - instruction.setCovered(branch); - } - assertEquals(256, instruction.getCoveredBranches()); - } - - @Test - public void merge_should_add_covered_branches_from_another_instruction() { - final Instruction i1 = new Instruction(new InsnNode(Opcodes.NOP), 123); - i1.setCovered(0); - final Instruction i2 = new Instruction(new InsnNode(Opcodes.NOP), 123); - i2.setCovered(1); - i1.merge(i2); - assertEquals("{0, 1}", i1.toString()); - assertEquals(2, i1.getCoveredBranches()); - assertEquals("{1}", i2.toString()); - } - - @Test - public void testSetCoveredOnLongSequence() { - final Instruction first = new Instruction(new InsnNode(Opcodes.NOP), 0); - Instruction next = first; - for (int i = 0; i < 0x10000; i++) { - final Instruction insn = new Instruction(new InsnNode(Opcodes.NOP), - i); - insn.setPredecessor(next, 0); - next = insn; - } - - // The implementation must not cause an StackOverflowError even on very - // long sequences: - next.setCovered(0); - assertEquals(1, first.getCoveredBranches()); - } - -} |