| // 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.build.runfiles; |
| |
| import static com.google.common.truth.Truth.assertThat; |
| import static org.junit.Assert.assertThrows; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Unit tests for {@link Util}. */ |
| @RunWith(JUnit4.class) |
| public final class UtilTest { |
| |
| @Test |
| public void testIsNullOrEmpty() throws Exception { |
| assertThat(Util.isNullOrEmpty(null)).isTrue(); |
| assertThat(Util.isNullOrEmpty("")).isTrue(); |
| assertThat(Util.isNullOrEmpty("\0")).isFalse(); |
| assertThat(Util.isNullOrEmpty("some text")).isFalse(); |
| } |
| |
| @Test |
| public void testCheckArgument() throws Exception { |
| Util.checkArgument(true, null, null); |
| |
| IllegalArgumentException e = |
| assertThrows(IllegalArgumentException.class, () -> Util.checkArgument(false, null, null)); |
| assertThat(e).hasMessageThat().isEqualTo("argument validation failed"); |
| |
| e = assertThrows(IllegalArgumentException.class, () -> Util.checkArgument(false, "foo-%s", 42)); |
| assertThat(e).hasMessageThat().isEqualTo("foo-42"); |
| } |
| } |