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authorElliott Hughes <enh@google.com>2012-01-31 19:18:51 -0800
committerElliott Hughes <enh@google.com>2012-01-31 19:20:20 -0800
commit741b5b7ef4c7fd4a786364bbf60d515489caff47 (patch)
treee5d5f9ee5c1fb1c177c453985eeb1242e3d73bf7 /test/070-nio-buffer
parent09cc2d39b3073ab0c613a9f660983e781693d958 (diff)
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art-741b5b7ef4c7fd4a786364bbf60d515489caff47.tar.bz2
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Manually merge my AOSP update to the VM tests.
Original change: https://android-review.googlesource.com/32051 Bug: http://code.google.com/p/android/issues/detail?id=21599 Bug: http://code.google.com/p/android/issues/detail?id=21597 Change-Id: I31e440b66b720647afab54ca39fd6eb1bbb0cb60
Diffstat (limited to 'test/070-nio-buffer')
-rw-r--r--test/070-nio-buffer/expected.txt3
-rw-r--r--test/070-nio-buffer/src/Main.java84
2 files changed, 85 insertions, 2 deletions
diff --git a/test/070-nio-buffer/expected.txt b/test/070-nio-buffer/expected.txt
index e2710014c5..ddb45af6b5 100644
--- a/test/070-nio-buffer/expected.txt
+++ b/test/070-nio-buffer/expected.txt
@@ -1,3 +1,6 @@
+Direct byte buffer has array: true
Got expected buffer overflow exception
Got expected out-of-bounds exception
Got expected buffer overflow exception
+00fbfb2ec03000001234567840490fd01122334455667788000000000000000100000000
+ccfb2efb30c0cccc78563412d00f494088776655443322110100000000000000cccccccc
diff --git a/test/070-nio-buffer/src/Main.java b/test/070-nio-buffer/src/Main.java
index bfcab3afb3..a7433b8516 100644
--- a/test/070-nio-buffer/src/Main.java
+++ b/test/070-nio-buffer/src/Main.java
@@ -17,14 +17,21 @@
import java.nio.BufferOverflowException;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
+import java.nio.CharBuffer;
+import java.nio.DoubleBuffer;
import java.nio.FloatBuffer;
import java.nio.IntBuffer;
+import java.nio.LongBuffer;
import java.nio.ShortBuffer;
public class Main {
public static void main(String[] args) {
- intFloatTest();
- basicShortTest();
+ ByteBuffer buf = ByteBuffer.allocateDirect(16);
+ System.out.println("Direct byte buffer has array: " + buf.hasArray());
+
+ intFloatTest();
+ basicShortTest();
+ primTest();
}
/*
@@ -94,4 +101,77 @@ public class Main {
int1.put (data);
int1.position (0);
}
+
+ /*
+ * Exercise all "view buffer" classes, in both byte orders.
+ */
+ public static void primTest() {
+ ByteBuffer directBuf = ByteBuffer.allocateDirect(36);
+ directBuf.order(ByteOrder.BIG_ENDIAN);
+ storeValues(directBuf);
+
+ for (int i = 0; i < 36; i++) {
+ directBuf.put(i, (byte) 0xcc);
+ }
+
+ directBuf.order(ByteOrder.LITTLE_ENDIAN);
+ storeValues(directBuf);
+ }
+
+ static void storeValues(ByteBuffer directBuf) {
+ directBuf.position(0);
+ ShortBuffer shortBuf = directBuf.asShortBuffer();
+ CharBuffer charBuf = directBuf.asCharBuffer();
+ IntBuffer intBuf = directBuf.asIntBuffer();
+ FloatBuffer floatBuf = directBuf.asFloatBuffer();
+ LongBuffer longBuf = directBuf.asLongBuffer();
+ DoubleBuffer doubleBuf = directBuf.asDoubleBuffer();
+
+ final byte byteValue = -5;
+ final short shortValue = -1234;
+ final char charValue = 49200;
+ final int intValue = 0x12345678;
+ final float floatValue = 3.14159f;
+ final long longValue = 0x1122334455667788L;
+ final double doubleValue = Double.MIN_VALUE;
+
+ if (directBuf.put(1, byteValue).get(1) != byteValue) {
+ throw new RuntimeException("byte get/store failed");
+ }
+ if (shortBuf.put(1, shortValue).get(1) != shortValue) {
+ throw new RuntimeException("short get/store failed");
+ }
+ if (charBuf.put(2, charValue).get(2) != charValue) {
+ throw new RuntimeException("char get/store failed");
+ }
+ if (intBuf.put(2, intValue).get(2) != intValue) {
+ throw new RuntimeException("int get/store failed");
+ }
+ if (floatBuf.put(3, floatValue).get(3) != floatValue) {
+ throw new RuntimeException("float get/store failed");
+ }
+ if (longBuf.put(2, longValue).get(2) != longValue) {
+ throw new RuntimeException("long get/store failed");
+ }
+ if (doubleBuf.put(3, doubleValue).get(3) != doubleValue) {
+ throw new RuntimeException("double get/store failed");
+ }
+
+ directBuf.position(0);
+ char[] outBuf = new char[directBuf.limit() * 2];
+ for (int i = 0; i < directBuf.limit(); i++) {
+ byte b = directBuf.get();
+ outBuf[i*2] = hexChar((byte) ((b >> 4) & 0x0f));
+ outBuf[i*2+1] = hexChar((byte) (b & 0x0f));
+ }
+ System.out.println(new String(outBuf));
+ }
+
+ static char hexChar(byte b) {
+ if (b < 10) {
+ return (char) ('0' + b);
+ } else {
+ return (char) ('a' + b - 10);
+ }
+ }
}