android-platform-libcore/luni/src/test/java/tests/api/java/io/StringBufferInputStreamTest.java

/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF 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.
 */

package tests.api.java.io;

import dalvik.annotation.TestTargetClass;
import dalvik.annotation.TestTargets;
import dalvik.annotation.TestTargetNew;
import dalvik.annotation.TestLevel;

import java.io.StringBufferInputStream;

@TestTargetClass(StringBufferInputStream.class)
public class StringBufferInputStreamTest extends junit.framework.TestCase {

    StringBufferInputStream sbis;

    /**
     * @tests java.io.StringBufferInputStream#StringBufferInputStream(java.lang.String)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "StringBufferInputStream",
        args = {java.lang.String.class}
    )
    public void test_ConstructorLjava_lang_String() {
        try {
            new StringBufferInputStream("");
        } catch (Exception ee) {
            fail("Exception " + ee.getMessage() + " does not expected in this case");
        }
        // Test for method java.io.StringBufferInputStream(java.lang.String)
    }

    /**
     * @tests java.io.StringBufferInputStream#available()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "available",
        args = {}
    )
    public void test_available() {
        // Test for method int java.io.StringBufferInputStream.available()
        assertEquals("Returned incorrect number of available bytes", 11, sbis
                .available());
    }

    /**
     * @tests java.io.StringBufferInputStream#read()
     */
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "",
        method = "read",
        args = {byte[].class, int.class, int.class}
    )
    public void test_read$BII() {
        // Test for method int java.io.StringBufferInputStream.read()
        byte[] buf = new byte[5];
        sbis.skip(6);
        sbis.read(buf, 0, 5);
        assertEquals("Returned incorrect chars", "World", new String(buf));
    }

    /**
     * @tests java.io.StringBufferInputStream#read()
     */
    @TestTargetNew(
        level = TestLevel.PARTIAL_COMPLETE,
        notes = "",
        method = "read",
        args = {byte[].class, int.class, int.class}
    )
    public void test_read$BII_Exception() {
        // Test for method int java.io.StringBufferInputStream.read()
        byte[] buf = new byte[10];
        try {
            sbis.read(buf, 0, -1);
            fail("IndexOutOfBoundsException was not thrown");
        } catch (IndexOutOfBoundsException e) {
            // Expected
        }
        try {
            sbis.read(buf, -1, 1);
            fail("IndexOutOfBoundsException was not thrown");
        } catch (IndexOutOfBoundsException e) {
            // Expected
        }
        try {
            sbis.read(buf, 10, 1);
            fail("IndexOutOfBoundsException was not thrown");
        } catch (IndexOutOfBoundsException e) {
            // Expected
        }
    }

    /**
     * @tests java.io.StringBufferInputStream#read(byte[], int, int)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "read",
        args = {}
    )
    public void test_read() {
        // Test for method int java.io.StringBufferInputStream.read(byte [],
        // int, int)
        assertEquals("Read returned incorrect char", 'H', sbis.read());
    }

    /**
     * @tests java.io.StringBufferInputStream#reset()
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "reset",
        args = {}
    )
    public void test_reset() {
        // Test for method void java.io.StringBufferInputStream.reset()
        long s = sbis.skip(6);
        assertEquals("Unable to skip correct umber of chars", 6, s);
        sbis.reset();
        assertEquals("Failed to reset", 'H', sbis.read());
    }

    /**
     * @tests java.io.StringBufferInputStream#skip(long)
     */
    @TestTargetNew(
        level = TestLevel.COMPLETE,
        notes = "",
        method = "skip",
        args = {long.class}
    )
    public void test_skipJ() {
        // Test for method long java.io.StringBufferInputStream.skip(long)
        long s = sbis.skip(6);
        assertEquals("Unable to skip correct umber of chars", 6, s);
        assertEquals("Skip positioned at incorrect char", 'W', sbis.read());
    }

    /**
     * Sets up the fixture, for example, open a network connection. This method
     * is called before a test is executed.
     */
    protected void setUp() {
        sbis = new StringBufferInputStream("Hello World");
    }

    /**
     * Tears down the fixture, for example, close a network connection. This
     * method is called after a test is executed.
     */
    protected void tearDown() {
    }
}