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// Copyright 2014 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.common.options;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.fail;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** A test for {@link Converters.CommaSeparatedOptionListConverter}. */
@RunWith(JUnit4.class)
public class CommaSeparatedOptionListConverterTest {
private Converter<List<String>> converter =
new Converters.CommaSeparatedOptionListConverter();
@Test
public void emptyStringYieldsEmptyList() throws Exception {
assertThat(converter.convert("")).isEmpty();
}
@Test
public void commaTwoEmptyStrings() throws Exception {
assertThat(converter.convert(",")).containsExactly("", "").inOrder();
}
@Test
public void leadingCommaYieldsLeadingSpace() throws Exception {
assertThat(converter.convert(",leading,comma"))
.containsExactly("", "leading", "comma").inOrder();
}
@Test
public void trailingCommaYieldsTrailingSpace() throws Exception {
assertThat(converter.convert("trailing,comma,"))
.containsExactly("trailing", "comma", "").inOrder();
}
@Test
public void singleWord() throws Exception {
assertThat(converter.convert("lonely")).containsExactly("lonely");
}
@Test
public void multiWords() throws Exception {
assertThat(converter.convert("one,two,three"))
.containsExactly("one", "two", "three").inOrder();
}
@Test
public void spaceIsIgnored() throws Exception {
assertThat(converter.convert("one two three")).containsExactly("one two three");
}
@Test
public void valueisUnmodifiable() throws Exception {
try {
converter.convert("value").add("other");
fail("could modify value");
} catch (UnsupportedOperationException expected) {}
}
}
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