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8138978: Examine usages of sun.misc.IOUtils

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Reviewed-by: alanb, mullan, psandoz, rriggs, weijun
This commit is contained in:
Chris Hegarty 2015-10-09 14:21:33 +01:00
parent d12b5c154b
commit 1a83e59745
2 changed files with 12 additions and 4 deletions
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10
hotspot/test/compiler/classUnloading/anonymousClass/TestAnonymousClassUnloading.java
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@ -23,8 +23,8 @@
import sun.hotspot.WhiteBox; import sun.hotspot.WhiteBox;
import sun.misc.Unsafe; import sun.misc.Unsafe;
import sun.misc.IOUtils;
import java.io.IOException;
import java.lang.reflect.Method; import java.lang.reflect.Method;
import java.net.URL; import java.net.URL;
import java.net.URLConnection; import java.net.URLConnection;
@ -109,7 +109,13 @@ public class TestAnonymousClassUnloading {
// (1) Load an anonymous version of this class using the corresponding Unsafe method // (1) Load an anonymous version of this class using the corresponding Unsafe method
URL classUrl = TestAnonymousClassUnloading.class.getResource("TestAnonymousClassUnloading.class"); URL classUrl = TestAnonymousClassUnloading.class.getResource("TestAnonymousClassUnloading.class");
URLConnection connection = classUrl.openConnection(); URLConnection connection = classUrl.openConnection();
byte[] classBytes = IOUtils.readFully(connection.getInputStream(), connection.getContentLength(), true);
int length = connection.getContentLength();
byte[] classBytes = connection.getInputStream().readAllBytes();
if (length != -1 && classBytes.length != length) {
throw new IOException("Expected:" + length + ", actual: " + classBytes.length);
}
Class<?> anonymousClass = UNSAFE.defineAnonymousClass(TestAnonymousClassUnloading.class, classBytes, null); Class<?> anonymousClass = UNSAFE.defineAnonymousClass(TestAnonymousClassUnloading.class, classBytes, null);
// (2) Make sure all paths of doWork are profiled and compiled // (2) Make sure all paths of doWork are profiled and compiled

6
hotspot/test/runtime/8003720/VictimClassLoader.java
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@ -72,8 +72,10 @@ public class VictimClassLoader extends ClassLoader {
} }
static byte[] readFully(java.io.InputStream in, int len) throws java.io.IOException { static byte[] readFully(java.io.InputStream in, int len) throws java.io.IOException {
// Warning here: byte[] b = in.readAllBytes();
return sun.misc.IOUtils.readFully(in, len, true); if (len != -1 && b.length != len)
throw new java.io.IOException("Expected:" + len + ", actual:" + b.length);
return b;
} }
public void finalize() { public void finalize() {