1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
|
/*
* Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.Reader;
import java.io.IOException;
import java.io.StringWriter;
import java.nio.CharBuffer;
import java.nio.ReadOnlyBufferException;
import org.testng.annotations.AfterGroups;
import org.testng.annotations.BeforeGroups;
import org.testng.annotations.Test;
import static org.testng.Assert.*;
/*
* @test
* @bug 8196298 8204930
* @run testng NullReader
* @summary Check for expected behavior of Reader.nullReader().
*/
public class NullReader {
private static Reader openReader;
private static Reader closedReader;
@BeforeGroups(groups = "open")
public static void openStream() {
openReader = Reader.nullReader();
}
@BeforeGroups(groups = "closed")
public static void openAndCloseStream() throws IOException {
closedReader = Reader.nullReader();
closedReader.close();
}
@AfterGroups(groups = "open")
public static void closeStream() throws IOException {
openReader.close();
}
@Test(groups = "open")
public static void testOpen() {
assertNotNull(openReader, "Reader.nullReader() returned null");
}
@Test(groups = "open")
public static void testRead() throws IOException {
assertEquals(-1, openReader.read(), "read() != -1");
}
@Test(groups = "open")
public static void testReadBII() throws IOException {
assertEquals(-1, openReader.read(new char[1], 0, 1),
"read(char[],int,int) != -1");
}
@Test(groups = "open")
public static void testReadBIILenZero() throws IOException {
assertEquals(0, openReader.read(new char[1], 0, 0),
"read(char[],int,int) != 0");
}
@Test(groups = "open")
public static void testReadCharBuffer() throws IOException {
CharBuffer charBuffer = CharBuffer.allocate(1);
assertEquals(-1, openReader.read(charBuffer),
"read(CharBuffer) != -1");
}
@Test(groups = "open")
public static void testReadCharBufferZeroRemaining() throws IOException {
CharBuffer charBuffer = CharBuffer.allocate(0);
assertEquals(0, openReader.read(charBuffer),
"read(CharBuffer) != 0");
}
@Test(groups = "open")
public static void testReady() throws IOException {
assertFalse(openReader.ready());
}
@Test(groups = "open")
public static void testSkip() throws IOException {
assertEquals(0, openReader.skip(1), "skip() != 0");
}
@Test(groups = "open")
public static void testTransferTo() throws IOException {
assertEquals(0, openReader.transferTo(new StringWriter(7)),
"transferTo() != 0");
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testReadClosed() throws IOException {
closedReader.read();
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testReadBIIClosed() throws IOException {
closedReader.read(new char[1], 0, 1);
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testReadCharBufferClosed() throws IOException {
CharBuffer charBuffer = CharBuffer.allocate(0);
closedReader.read(charBuffer);
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testReadCharBufferZeroRemainingClosed() throws IOException {
CharBuffer charBuffer = CharBuffer.allocate(0);
closedReader.read(charBuffer);
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testReadyClosed() throws IOException {
closedReader.ready();
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testSkipClosed() throws IOException {
closedReader.skip(1);
}
@Test(groups = "closed", expectedExceptions = IOException.class)
public static void testTransferToClosed() throws IOException {
closedReader.transferTo(new StringWriter(7));
}
}
|