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// Copyright 2015 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.build.lib.syntax;
import static com.google.common.truth.Truth.assertThat;
import com.google.devtools.build.lib.events.Location;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* A test class for exceptions.
*/
@RunWith(JUnit4.class)
public class ExceptionTest {
private static final ASTNode DUMMY_NODE = Identifier.of("DUMMY");
@Test
public void testEmptyMessage() throws Exception {
EvalExceptionWithStackTrace ex =
new EvalExceptionWithStackTrace(new NullPointerException(), DUMMY_NODE);
assertThat(ex)
.hasMessageThat()
.contains("Null Pointer: ExceptionTest.testEmptyMessage() in ExceptionTest.java:");
}
@Test
public void testExceptionCause() throws Exception {
IllegalArgumentException iae = new IllegalArgumentException("foo");
EvalException ee = new EvalException(Location.BUILTIN, iae);
runExceptionTest(iae, iae);
runExceptionTest(ee, iae);
}
private void runExceptionTest(Exception toThrow, Exception expectedCause) {
EvalExceptionWithStackTrace ex = new EvalExceptionWithStackTrace(toThrow, DUMMY_NODE);
assertThat(ex).hasCauseThat().isEqualTo(expectedCause);
}
}