1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package tests.api.java.nio.charset;
18
19import java.nio.CharBuffer;
20import java.nio.charset.CharacterCodingException;
21import java.nio.charset.Charset;
22
23/**
24 * TODO type def
25 */
26public class UTF16LECharsetEncoderTest extends CharsetEncoderTest {
27
28	// charset for utf-16le
29	private static final Charset CS = Charset.forName("utf-16le");
30
31	/*
32	 * @see CharsetEncoderTest#setUp()
33	 */
34	protected void setUp() throws Exception {
35		cs = CS;
36		specifiedReplacement = new byte[] { -3, -1 };
37
38		unibytes = new byte[] { 32, 0, 98, 0, 117, 0, 102, 0, 102, 0, 101, 0,
39				114, 0 };
40
41		// unibytesWithRep = new byte[] {(byte)0xfd, (byte)0xff, 32, 0, 98, 0,
42		// 117, 0, 102, 0, 102, 0, 101, 0, 114 ,0};
43
44		super.setUp();
45	}
46
47	/*
48	 * @see CharsetEncoderTest#tearDown()
49	 */
50	protected void tearDown() throws Exception {
51		super.tearDown();
52	}
53
54	public void testCharsetEncoderCharsetfloatfloat() {
55		// this constructor is invalid for UTF16LE CharsetEncoder
56	}
57
58	public void testCanEncodechar() throws CharacterCodingException {
59		// normal case for utfCS
60		assertTrue(encoder.canEncode('\u0077'));
61		assertTrue(encoder.canEncode('\uc2a3'));
62
63		// for non-mapped char
64		assertTrue(encoder.canEncode('\uc2c0'));
65	}
66
67	public void testCanEncodeCharSequence() {
68		// normal case for utfCS
69		assertTrue(encoder.canEncode("\u0077"));
70		assertTrue(encoder.canEncode("\uc2a3"));
71		assertTrue(encoder.canEncode(""));
72
73		// for non-mapped char
74		assertTrue(encoder.canEncode("\uc2c0"));
75
76		// surrogate char for unicode
77		// 1st byte: d800-dbff
78		// 2nd byte: dc00-dfff
79		// valid surrogate pair
80		assertTrue(encoder.canEncode("\ud800\udc00"));
81		// invalid surrogate pair
82		assertFalse(encoder.canEncode("\ud800\udb00"));
83	}
84
85	public void testCanEncodeICUBug() {
86		assertFalse(encoder.canEncode("\ud800"));
87	}
88
89	public void testSpecificDefaultValue() {
90		assertEquals(2, encoder.averageBytesPerChar(), 0.001);
91		assertEquals(2, encoder.maxBytesPerChar(), 0.001);
92	}
93
94	public void testIsLegalReplacementEmptyArray() {
95		assertTrue(encoder.isLegalReplacement(new byte[0]));
96	}
97
98	CharBuffer getMalformedCharBuffer() {
99		return CharBuffer.wrap("\ud800 buffer");
100	}
101
102	CharBuffer getUnmapCharBuffer() {
103		return null;
104	}
105
106	CharBuffer getExceptionCharBuffer() {
107		return null;
108	}
109
110	protected byte[] getIllegalByteArray() {
111		return new byte[] { 0x00 };
112	}
113
114	protected byte[] getLegalByteArray() {
115		return new byte[] { (byte) 0xd8, 0x00 };
116	}
117
118}
119