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StringArrayPropertyEditorTests.java
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StringArrayPropertyEditorTests.java
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/*
* Copyright 2002-2019 the original author or authors.
*
* 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
*
* https://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 org.springframework.beans.propertyeditors;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author Rick Evans
* @author Juergen Hoeller
* @author Sam Brannen
*/
class StringArrayPropertyEditorTests {
@Test
void withDefaultSeparator() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor();
editor.setAsText("0,1,2");
Object value = editor.getValue();
assertTrimmedElements(value);
assertThat(editor.getAsText()).isEqualTo("0,1,2");
}
@Test
void trimByDefault() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor();
editor.setAsText(" 0,1 , 2 ");
Object value = editor.getValue();
assertTrimmedElements(value);
assertThat(editor.getAsText()).isEqualTo("0,1,2");
}
@Test
void noTrim() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor(",", false, false);
editor.setAsText(" 0,1 , 2 ");
Object value = editor.getValue();
String[] array = (String[]) value;
for (int i = 0; i < array.length; ++i) {
assertThat(array[i].length()).isEqualTo(3);
assertThat(array[i].trim()).isEqualTo(("" + i));
}
assertThat(editor.getAsText()).isEqualTo(" 0,1 , 2 ");
}
@Test
void withCustomSeparator() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor(":");
editor.setAsText("0:1:2");
Object value = editor.getValue();
assertTrimmedElements(value);
assertThat(editor.getAsText()).isEqualTo("0:1:2");
}
@Test
void withCharsToDelete() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor(",", "\r\n", false);
editor.setAsText("0\r,1,\n2");
Object value = editor.getValue();
assertTrimmedElements(value);
assertThat(editor.getAsText()).isEqualTo("0,1,2");
}
@Test
void withEmptyArray() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor();
editor.setAsText("");
Object value = editor.getValue();
assertThat(value).isInstanceOf(String[].class);
assertThat((String[]) value).isEmpty();
}
@Test
void withEmptyArrayAsNull() {
StringArrayPropertyEditor editor = new StringArrayPropertyEditor(",", true);
editor.setAsText("");
assertThat(editor.getValue()).isNull();
}
private static void assertTrimmedElements(Object value) {
assertThat(value).isInstanceOf(String[].class);
String[] array = (String[]) value;
for (int i = 0; i < array.length; ++i) {
assertThat(array[i]).isEqualTo(("" + i));
}
}
}