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/*
* DSI utilities
*
* Copyright (C) 2010-2023 Sebastiano Vigna
*
* This program and the accompanying materials are made available under the
* terms of the GNU Lesser General Public License v2.1 or later,
* which is available at
* http://www.gnu.org/licenses/old-licenses/lgpl-2.1-standalone.html,
* or the Apache Software License 2.0, which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
*
* SPDX-License-Identifier: LGPL-2.1-or-later OR Apache-2.0
*/
package it.unimi.dsi.lang;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Set;
import org.junit.Test;
public class ObjectParserTest {
@Test
public void testObject() throws Exception {
assertEquals(Object.class, ObjectParser.fromSpec("java.lang.Object").getClass());
assertEquals(Object.class, ObjectParser.fromSpec("java.lang.Object()").getClass());
assertEquals(Object.class, ObjectParser.fromSpec("Object", Object.class, new String[] { "java.lang" }).getClass());
assertEquals(Object.class, ObjectParser.fromSpec("Object", Object.class, new String[] { "foo", "java.lang" }).getClass());
}
@Test
public void testString() throws Exception {
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(foo)"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(\"foo\")"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(foo)"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(\"foo\")"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(foo)"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(\"f\\oo\")"));
assertEquals("f\\oo", ObjectParser.fromSpec("java.lang.String(f\\oo)"));
assertEquals("foo", ObjectParser.fromSpec("java.lang.String(\"foo\")"));
assertEquals("fo\"o", ObjectParser.fromSpec("java.lang.String(\"fo\\\"o\")"));
boolean error = false;
try {
ObjectParser.fromSpec("java.lang.String(\"fo\"o\")");
}
catch(final IllegalArgumentException thisIsWhatWeWant) {
error = true;
}
assertTrue(error);
error = false;
try {
ObjectParser.fromSpec("java.lang.String(fo");
}
catch(final IllegalArgumentException thisIsWhatWeWant) {
error = true;
}
assertTrue(error);
error = false;
try {
ObjectParser.fromSpec("java.lang.String()", Set.class);
}
catch(final ClassCastException thisIsWhatWeWant) {
error = true;
}
assertTrue(error);
assertEquals("", ObjectParser.fromSpec("java.lang.String()"));
assertEquals("", ObjectParser.fromSpec("java.lang.String"));
assertEquals(")foo", ObjectParser.fromSpec("java.lang.String()foo)"));
}
public static final class FactoryMethodAfter {
public static FactoryMethodAfter getInstance(@SuppressWarnings("unused") final String a) {
return new FactoryMethodAfter();
}
@Override
public boolean equals(final Object o) {
return true;
}
@Override
public int hashCode() {
return 0;
}
}
@Test
public void testTwoStrings() throws Exception {
final Object context = new Object();
assertEquals(new TwoStrings("foo", "bar"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(\"foo\", \"bar\")"));
assertEquals(new TwoStrings("2", "2"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(\"foo\", \"bar\")", Object.class, null, new String[] { "getInstance" }));
assertEquals(new FactoryMethodAfter(), ObjectParser.fromSpec("it.unimi.dsi.lang.ObjectParserTest$FactoryMethodAfter(unused)", Object.class, null, ObjectParser.DEFAULT_FACTORY_METHODS));
assertEquals(new TwoStrings("foo", "bar"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(\"foo\", \"bar\")"));
assertEquals(new TwoStrings("foo", "bar"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(foo, bar)"));
assertEquals(new TwoStrings("foo", "bar"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(foo , bar)"));
assertEquals(new TwoStrings("", ""), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(,)"));
assertEquals(new TwoStrings("", ""), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(,)"));
assertEquals(new TwoStrings("", ""), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(,\"\")"));
assertEquals(new TwoStrings("foo", "foo"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(foo)", Object.class, null, new String[] { "getInstance" }));
assertEquals(new TwoStrings("3", "3"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(foo,bar,boo)", Object.class, null, new String[] { "getInstance" }));
assertEquals(new TwoStrings("foo", "3"), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(foo,bar,boo)", Object.class));
assertEquals(new TwoStrings(context, "foo", "bar"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(\"foo\", \"bar\")"));
assertEquals(new TwoStrings(context, "foo", "bar"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(foo, bar)"));
assertEquals(new TwoStrings(context, "foo", "bar"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(foo , bar)"));
assertEquals(new TwoStrings(context, "", ""), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(,)"));
assertEquals(new TwoStrings(context, "", ""), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(,)"));
assertEquals(new TwoStrings(context, "", ""), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(,\"\")"));
assertEquals(new TwoStrings(context, "foo", "foo"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(foo)", Object.class, null, new String[] { "getInstance" }));
assertEquals(new TwoStrings(context, "3", "3"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(foo,bar,boo)", Object.class, null, new String[] { "getInstance" }));
assertEquals(new TwoStrings(context, "foo", "3"), ObjectParser.fromSpec(context, "it.unimi.dsi.lang.TwoStrings(foo,bar,boo)", Object.class));
}
@Test
public void testTwoStringsNull() throws Exception {
assertEquals(new TwoStrings("foo", (String)null), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(\"foo\",null)"));
assertEquals(new TwoStrings((String)null, (String)null), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(null,null)"));
assertEquals(new TwoStrings("null", (String)null), ObjectParser.fromSpec("it.unimi.dsi.lang.TwoStrings(\"null\",null)"));
}
}
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