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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.lcovmerger;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Unit tests for {@BranchCoverageData}.
*/
@RunWith(JUnit4.class)
public class BranchCoverageTest {
private static final int BRANCH1_LINE_NR = 10;
private static final String BRANCH1_BLOCK_NR = "3";
private static final String BRANCH1_BRANCH_NR = "2";
private static final int BRANCH1_NR_EXECUTIONS = 0;
private static final int BRANCH1_OTHER_TRACEFILE_NR_EXECUTIONS = 5;
private static final int BRANCH2_LINE_NR = 20;
private static final String BRANCH2_BLOCK_NR = "7";
private static final String BRANCH2_BRANCH_NR = "2";
private static final int BRANCH2_NR_EXECUTIONS = 0;
private static final int BRANCH2_OTHER_TRACEFILE_NR_EXECUTIONS = 0;
static final BranchCoverage getBranch1CoverageData() {
return BranchCoverage.createWithBlockAndBranch(
BRANCH1_LINE_NR, BRANCH1_BLOCK_NR, BRANCH1_BRANCH_NR, BRANCH1_NR_EXECUTIONS);
}
static final BranchCoverage getBranch2CoverageData() {
return BranchCoverage.createWithBlockAndBranch(
BRANCH2_LINE_NR, BRANCH2_BLOCK_NR, BRANCH2_BRANCH_NR, BRANCH2_NR_EXECUTIONS);
}
static final BranchCoverage getBranch1OtherTracefileCoverageData() {
return BranchCoverage.createWithBlockAndBranch(
BRANCH1_LINE_NR,
BRANCH1_BLOCK_NR,
BRANCH1_BRANCH_NR,
BRANCH1_OTHER_TRACEFILE_NR_EXECUTIONS);
}
static final BranchCoverage getBranch2OtherTracefileCoverageData() {
return BranchCoverage.createWithBlockAndBranch(
BRANCH2_LINE_NR,
BRANCH2_BLOCK_NR,
BRANCH2_BRANCH_NR,
BRANCH2_OTHER_TRACEFILE_NR_EXECUTIONS);
}
@Test
public void testMergeBranch1() {
BranchCoverage branch1 = getBranch1CoverageData();
BranchCoverage branch1OtherTracefile = getBranch1OtherTracefileCoverageData();
BranchCoverage merged = BranchCoverage.merge(branch1, branch1OtherTracefile);
assertThat(merged.lineNumber()).isEqualTo(branch1.lineNumber());
assertThat(merged.blockNumber()).isEqualTo(branch1.blockNumber());
assertThat(merged.branchNumber()).isEqualTo(branch1.branchNumber());
assertThat(merged.wasExecuted()).isTrue();
assertThat(merged.nrOfExecutions()).isEqualTo(
branch1.nrOfExecutions() + branch1OtherTracefile.nrOfExecutions());
}
@Test
public void testMergeBranch2() {
BranchCoverage branch2 = getBranch2CoverageData();
BranchCoverage branch2OtherTracefile = getBranch2OtherTracefileCoverageData();
BranchCoverage merged = BranchCoverage.merge(branch2, branch2OtherTracefile);
assertThat(merged.lineNumber()).isEqualTo(branch2.lineNumber());
assertThat(merged.blockNumber()).isEqualTo(branch2.blockNumber());
assertThat(merged.branchNumber()).isEqualTo(branch2.branchNumber());
assertThat(merged.wasExecuted()).isFalse();
assertThat(merged.nrOfExecutions()).isEqualTo(0);
}
@Test
public void testMergeBranch1Branch2AssertationError() {
BranchCoverage branch1 = getBranch1CoverageData();
BranchCoverage branch2 = getBranch2CoverageData();
try {
BranchCoverage.merge(branch1, branch2);
} catch (AssertionError er) {
return;
}
fail();
}
}
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