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* ownership. Elasticsearch licenses this file to you 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.
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package org.elasticsearch.common;
import org.elasticsearch.test.ESTestCase;
import org.hamcrest.Matchers;
import java.util.Locale;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.nullValue;
public class BooleansTests extends ESTestCase {
private static final String[] NON_BOOLEANS = new String[]{"11", "00", "sdfsdfsf", "F", "T", "on", "off", "yes", "no", "0", "1",
"True", "False"};
private static final String[] BOOLEANS = new String[]{"true", "false"};
public void testIsBoolean() {
for (String b : BOOLEANS) {
String t = "prefix" + b + "suffix";
assertTrue("failed to recognize [" + b + "] as boolean",
Booleans.isBoolean(t.toCharArray(), "prefix".length(), b.length()));
assertTrue("failed to recognize [" + b + "] as boolean", Booleans.isBoolean(b));
}
}
public void testIsNonBoolean() {
assertThat(Booleans.isBoolean(null, 0, 1), is(false));
for (String nb : NON_BOOLEANS) {
String t = "prefix" + nb + "suffix";
assertFalse("recognized [" + nb + "] as boolean", Booleans.isBoolean(t.toCharArray(), "prefix".length(), nb.length()));
assertFalse("recognized [" + nb + "] as boolean", Booleans.isBoolean(t));
}
}
public void testParseBooleanWithFallback() {
assertFalse(Booleans.parseBoolean(null, false));
assertTrue(Booleans.parseBoolean(null, true));
assertNull(Booleans.parseBoolean(null, null));
assertFalse(Booleans.parseBoolean(null, Boolean.FALSE));
assertTrue(Booleans.parseBoolean(null, Boolean.TRUE));
assertTrue(Booleans.parseBoolean("true", randomFrom(Boolean.TRUE, Boolean.FALSE, null)));
assertFalse(Booleans.parseBoolean("false", randomFrom(Boolean.TRUE, Boolean.FALSE, null)));
}
public void testParseNonBooleanWithFallback() {
for (String nonBoolean : NON_BOOLEANS) {
boolean defaultValue = randomFrom(Boolean.TRUE, Boolean.FALSE);
expectThrows(IllegalArgumentException.class,
() -> Booleans.parseBoolean(nonBoolean, defaultValue));
expectThrows(IllegalArgumentException.class,
() -> Booleans.parseBoolean(nonBoolean.toCharArray(), 0, nonBoolean.length(), defaultValue));
}
}
public void testParseBoolean() {
assertTrue(Booleans.parseBoolean("true"));
assertFalse(Booleans.parseBoolean("false"));
}
public void testParseNonBoolean() {
expectThrows(IllegalArgumentException.class, () -> Booleans.parseBoolean(null));
for (String nonBoolean : NON_BOOLEANS) {
expectThrows(IllegalArgumentException.class, () -> Booleans.parseBoolean(nonBoolean));
}
}
public void testIsBooleanLenient() {
String[] booleans = new String[]{"true", "false", "on", "off", "yes", "no", "0", "1"};
String[] notBooleans = new String[]{"11", "00", "sdfsdfsf", "F", "T"};
assertThat(Booleans.isBooleanLenient(null, 0, 1), is(false));
for (String b : booleans) {
String t = "prefix" + b + "suffix";
assertTrue("failed to recognize [" + b + "] as boolean",
Booleans.isBooleanLenient(t.toCharArray(), "prefix".length(), b.length()));
}
for (String nb : notBooleans) {
String t = "prefix" + nb + "suffix";
assertFalse("recognized [" + nb + "] as boolean",
Booleans.isBooleanLenient(t.toCharArray(), "prefix".length(), nb.length()));
}
}
public void testParseBooleanLenient() {
assertThat(Booleans.parseBooleanLenient(randomFrom("true", "on", "yes", "1"), randomBoolean()), is(true));
assertThat(Booleans.parseBooleanLenient(randomFrom("false", "off", "no", "0"), randomBoolean()), is(false));
assertThat(Booleans.parseBooleanLenient(randomFrom("true", "on", "yes").toUpperCase(Locale.ROOT), randomBoolean()), is(true));
assertThat(Booleans.parseBooleanLenient(null, false), is(false));
assertThat(Booleans.parseBooleanLenient(null, true), is(true));
assertThat(Booleans.parseBooleanLenient(
randomFrom("true", "on", "yes", "1"), randomFrom(Boolean.TRUE, Boolean.FALSE, null)), is(true));
assertThat(Booleans.parseBooleanLenient(
randomFrom("false", "off", "no", "0"), randomFrom(Boolean.TRUE, Boolean.FALSE, null)), is(false));
assertThat(Booleans.parseBooleanLenient(
randomFrom("true", "on", "yes").toUpperCase(Locale.ROOT),randomFrom(Boolean.TRUE, Boolean.FALSE, null)), is(true));
assertThat(Booleans.parseBooleanLenient(null, Boolean.FALSE), is(false));
assertThat(Booleans.parseBooleanLenient(null, Boolean.TRUE), is(true));
assertThat(Booleans.parseBooleanLenient(null, null), nullValue());
char[] chars = randomFrom("true", "on", "yes", "1").toCharArray();
assertThat(Booleans.parseBooleanLenient(chars, 0, chars.length, randomBoolean()), is(true));
chars = randomFrom("false", "off", "no", "0").toCharArray();
assertThat(Booleans.parseBooleanLenient(chars,0, chars.length, randomBoolean()), is(false));
chars = randomFrom("true", "on", "yes").toUpperCase(Locale.ROOT).toCharArray();
assertThat(Booleans.parseBooleanLenient(chars,0, chars.length, randomBoolean()), is(true));
}
}