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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 com.google.auto.value.AutoValue;
import javax.annotation.Nullable;
/**
* Stores line execution coverage information.
*/
@AutoValue
abstract class LineCoverage {
static LineCoverage create(int lineNumber, int executionCount, String checksum) {
return new AutoValue_LineCoverage(lineNumber, executionCount, checksum);
}
static LineCoverage merge(
LineCoverage first, LineCoverage second) {
assert first.lineNumber() == second.lineNumber();
assert (first.checksum() == null && second.checksum() == null)
|| (first.checksum().equals(second.checksum()));
return create(
first.lineNumber(),
first.executionCount() + second.executionCount(),
first.checksum()
);
}
abstract int lineNumber();
abstract int executionCount();
// The current geninfo implementation uses an MD5 hash as checksumming algorithm.
@Nullable
abstract String checksum(); // optional
}
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