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7013420: Project Coin: remove general expression support from try-with-resources statement

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Reviewed-by: alanb
This commit is contained in:
Joe Darcy 2011-01-26 12:32:23 -08:00
parent 65c9e92668
commit 1dd962a92e
1 changed files with 39 additions and 38 deletions

77
jdk/test/java/nio/channels/FileChannel/Truncate.java

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2011, 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
@ -58,30 +58,31 @@ public class Truncate {
for(int i=0; i<100; i++) {
long testSize = generator.nextInt(1000) + 10;
initTestFile(blah, testSize);
FileChannel fc = (i < 50) ?
new RandomAccessFile(blah, "rw").getChannel() :
FileChannel.open(blah.toPath(), READ, WRITE);
try (fc) {
if (fc.size() != testSize)
throw new RuntimeException("Size failed");
long position = generator.nextInt((int)testSize);
fc.position(position);
try (FileChannel fc = (i < 50) ?
new RandomAccessFile(blah, "rw").getChannel() :
FileChannel.open(blah.toPath(), READ, WRITE))
{
if (fc.size() != testSize)
throw new RuntimeException("Size failed");
long newSize = generator.nextInt((int)testSize);
fc.truncate(newSize);
long position = generator.nextInt((int)testSize);
fc.position(position);
if (fc.size() != newSize)
throw new RuntimeException("Truncate failed");
long newSize = generator.nextInt((int)testSize);
fc.truncate(newSize);
if (position > newSize) {
if (fc.position() != newSize)
throw new RuntimeException("Position greater than size");
} else {
if (fc.position() != position)
throw new RuntimeException("Truncate changed position");
};
}
if (fc.size() != newSize)
throw new RuntimeException("Truncate failed");
if (position > newSize) {
if (fc.position() != newSize)
throw new RuntimeException("Position greater than size");
} else {
if (fc.position() != position)
throw new RuntimeException("Truncate changed position");
};
}
}
}
@ -92,24 +93,24 @@ public class Truncate {
for (int i=0; i<10; i++) {
long testSize = generator.nextInt(1000) + 10;
initTestFile(blah, testSize);
FileChannel fc = (i < 5) ?
new FileOutputStream(blah, true).getChannel() :
FileChannel.open(blah.toPath(), APPEND);
try (fc) {
// truncate file
long newSize = generator.nextInt((int)testSize);
fc.truncate(newSize);
if (fc.size() != newSize)
throw new RuntimeException("Truncate failed");
try (FileChannel fc = (i < 5) ?
new FileOutputStream(blah, true).getChannel() :
FileChannel.open(blah.toPath(), APPEND))
{
// truncate file
long newSize = generator.nextInt((int)testSize);
fc.truncate(newSize);
if (fc.size() != newSize)
throw new RuntimeException("Truncate failed");
// write one byte
ByteBuffer buf = ByteBuffer.allocate(1);
buf.put((byte)'x');
buf.flip();
fc.write(buf);
if (fc.size() != (newSize+1))
throw new RuntimeException("Unexpected size");
}
// write one byte
ByteBuffer buf = ByteBuffer.allocate(1);
buf.put((byte)'x');
buf.flip();
fc.write(buf);
if (fc.size() != (newSize+1))
throw new RuntimeException("Unexpected size");
}
}
}