android-platform-libcore/luni/src/test/java/org/apache/harmony/regex/tests/java/util/regex/PatternSyntaxExceptionTest.java

/*
 * Copyright (C) 2008 The Android Open Source Project
 *
 * 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 org.apache.harmony.regex.tests.java.util.regex;

import java.util.regex.PatternSyntaxException;

import junit.framework.TestCase;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestLevel;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestTargetClass;

@TestTargetClass(PatternSyntaxException.class)
public class PatternSyntaxExceptionTest extends TestCase {

    @TestTargets({
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "PatternSyntaxException",
            args = {java.lang.String.class, java.lang.String.class, int.class}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getDescription",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getPattern",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getIndex",
            args = {}
        ),
        @TestTargetNew(
            level = TestLevel.COMPLETE,
            notes = "",
            method = "getMessage",
            args = {}
        )
    })
    public void testPatternSyntaxException() {
        // Normal case
        PatternSyntaxException e = new PatternSyntaxException("Foo", "Bar", 0);
        assertEquals("Foo", e.getDescription());
        assertEquals("Bar", e.getPattern());
        assertEquals(0, e.getIndex());

        String s = e.getMessage();
        assertTrue(s.contains("Foo"));
        assertTrue(s.contains("Bar"));
        assertTrue(s.contains("0"));

        // No description specified
        e = new PatternSyntaxException(null, "Bar", 0);
        assertEquals(null, e.getDescription());
        assertEquals("Bar", e.getPattern());
        assertEquals(0, e.getIndex());

        s = e.getMessage();
        assertFalse(s.contains("Foo"));
        assertTrue(s.contains("Bar"));
        assertTrue(s.contains("0"));

        // No pattern specified
        e = new PatternSyntaxException("Foo", null, 0);
        assertEquals("Foo", e.getDescription());
        assertEquals(null, e.getPattern());
        assertEquals(0, e.getIndex());

        s = e.getMessage();
        assertTrue(s.contains("Foo"));
        assertFalse(s.contains("Bar"));
        assertTrue(s.contains("0"));

        // Neither description nor pattern specified
        e = new PatternSyntaxException(null, null, 0);
        assertEquals(null, e.getDescription());
        assertEquals(null, e.getPattern());
        assertEquals(0, e.getIndex());

        s = e.getMessage();
        assertFalse(s.contains("Foo"));
        assertFalse(s.contains("Bar"));
        assertTrue(s.contains("0"));

        // No index specified
        e = new PatternSyntaxException("Foo", "Bar", -1);
        assertEquals(-1, e.getIndex());

        s = e.getMessage();
        assertFalse(s.contains("^"));

        // No pattern, but index specified
        e = new PatternSyntaxException("Foo", null, 0);
        assertEquals(0, e.getIndex());

        s = e.getMessage();
        assertFalse(s.contains("^"));
    }

}