--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/nio/Buffer/BasicDouble.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,828 @@
+/*
+ * Copyright 2000-2007 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* Type-specific source code for unit test
+ *
+ * Regenerate the BasicX classes via genBasic.sh whenever this file changes.
+ * We check in the generated source files so that the test tree can be used
+ * independently of the rest of the source tree.
+ */
+
+// -- This file was mechanically generated: Do not edit! -- //
+
+import java.nio.*;
+
+
+public class BasicDouble
+ extends Basic
+{
+
+ private static void relGet(DoubleBuffer b) {
+ int n = b.capacity();
+ double v;
+ for (int i = 0; i < n; i++)
+ ck(b, (long)b.get(), (long)((double)ic(i)));
+ b.rewind();
+ }
+
+ private static void relGet(DoubleBuffer b, int start) {
+ int n = b.remaining();
+ double v;
+ for (int i = start; i < n; i++)
+ ck(b, (long)b.get(), (long)((double)ic(i)));
+ b.rewind();
+ }
+
+ private static void absGet(DoubleBuffer b) {
+ int n = b.capacity();
+ double v;
+ for (int i = 0; i < n; i++)
+ ck(b, (long)b.get(), (long)((double)ic(i)));
+ b.rewind();
+ }
+
+ private static void bulkGet(DoubleBuffer b) {
+ int n = b.capacity();
+ double[] a = new double[n + 7];
+ b.get(a, 7, n);
+ for (int i = 0; i < n; i++)
+ ck(b, (long)a[i + 7], (long)((double)ic(i)));
+ }
+
+ private static void relPut(DoubleBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ for (int i = 0; i < n; i++)
+ b.put((double)ic(i));
+ b.flip();
+ }
+
+ private static void absPut(DoubleBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ for (int i = 0; i < n; i++)
+ b.put(i, (double)ic(i));
+ b.limit(n);
+ b.position(0);
+ }
+
+ private static void bulkPutArray(DoubleBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ double[] a = new double[n + 7];
+ for (int i = 0; i < n; i++)
+ a[i + 7] = (double)ic(i);
+ b.put(a, 7, n);
+ b.flip();
+ }
+
+ private static void bulkPutBuffer(DoubleBuffer b) {
+ int n = b.capacity();
+ b.clear();
+ DoubleBuffer c = DoubleBuffer.allocate(n + 7);
+ c.position(7);
+ for (int i = 0; i < n; i++)
+ c.put((double)ic(i));
+ c.flip();
+ c.position(7);
+ b.put(c);
+ b.flip();
+ }
+
+ //6231529
+ private static void callReset(DoubleBuffer b) {
+ b.position(0);
+ b.mark();
+
+ b.duplicate().reset();
+ b.asReadOnlyBuffer().reset();
+ }
+
+
+
+ // 6221101-6234263
+
+ private static void putBuffer() {
+ final int cap = 10;
+
+ DoubleBuffer direct1 = ByteBuffer.allocateDirect(cap).asDoubleBuffer();
+ DoubleBuffer nondirect1 = ByteBuffer.allocate(cap).asDoubleBuffer();
+ direct1.put(nondirect1);
+
+ DoubleBuffer direct2 = ByteBuffer.allocateDirect(cap).asDoubleBuffer();
+ DoubleBuffer nondirect2 = ByteBuffer.allocate(cap).asDoubleBuffer();
+ nondirect2.put(direct2);
+
+ DoubleBuffer direct3 = ByteBuffer.allocateDirect(cap).asDoubleBuffer();
+ DoubleBuffer direct4 = ByteBuffer.allocateDirect(cap).asDoubleBuffer();
+ direct3.put(direct4);
+
+ DoubleBuffer nondirect3 = ByteBuffer.allocate(cap).asDoubleBuffer();
+ DoubleBuffer nondirect4 = ByteBuffer.allocate(cap).asDoubleBuffer();
+ nondirect3.put(nondirect4);
+ }
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ private static void checkSlice(DoubleBuffer b, DoubleBuffer slice) {
+ ck(slice, 0, slice.position());
+ ck(slice, b.remaining(), slice.limit());
+ ck(slice, b.remaining(), slice.capacity());
+ if (b.isDirect() != slice.isDirect())
+ fail("Lost direction", slice);
+ if (b.isReadOnly() != slice.isReadOnly())
+ fail("Lost read-only", slice);
+ }
+
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+
+
+ private static void tryCatch(Buffer b, Class ex, Runnable thunk) {
+ boolean caught = false;
+ try {
+ thunk.run();
+ } catch (Throwable x) {
+ if (ex.isAssignableFrom(x.getClass()))
+ caught = true;
+ }
+ if (!caught)
+ fail(ex.getName() + " not thrown", b);
+ }
+
+ private static void tryCatch(double [] t, Class ex, Runnable thunk) {
+ tryCatch(DoubleBuffer.wrap(t), ex, thunk);
+ }
+
+ public static void test(int level, final DoubleBuffer b, boolean direct) {
+
+ show(level, b);
+
+ if (direct != b.isDirect())
+ fail("Wrong direction", b);
+
+ // Gets and puts
+
+ relPut(b);
+ relGet(b);
+ absGet(b);
+ bulkGet(b);
+
+ absPut(b);
+ relGet(b);
+ absGet(b);
+ bulkGet(b);
+
+ bulkPutArray(b);
+ relGet(b);
+
+ bulkPutBuffer(b);
+ relGet(b);
+
+
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+
+
+
+
+
+
+ // Compact
+
+ relPut(b);
+ b.position(13);
+ b.compact();
+ b.flip();
+ relGet(b, 13);
+
+ // Exceptions
+
+ boolean caught = false;
+ relPut(b);
+ b.limit(b.capacity() / 2);
+ b.position(b.limit());
+
+ tryCatch(b, BufferUnderflowException.class, new Runnable() {
+ public void run() {
+ b.get();
+ }});
+
+ tryCatch(b, BufferOverflowException.class, new Runnable() {
+ public void run() {
+ b.put((double)42);
+ }});
+
+ // The index must be non-negative and lesss than the buffer's limit.
+ tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ b.get(b.limit());
+ }});
+ tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ b.get(-1);
+ }});
+
+ tryCatch(b, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ b.put(b.limit(), (double)42);
+ }});
+
+ // Values
+
+ b.clear();
+ b.put((double)0);
+ b.put((double)-1);
+ b.put((double)1);
+ b.put(Double.MAX_VALUE);
+ b.put(Double.MIN_VALUE);
+
+
+
+
+
+
+
+
+
+ b.put(-Double.MAX_VALUE);
+ b.put(-Double.MIN_VALUE);
+ b.put(Double.NEGATIVE_INFINITY);
+ b.put(Double.POSITIVE_INFINITY);
+ b.put(Double.NaN);
+ b.put(0.5121609353879392); // Changes value if incorrectly swapped
+
+
+ double v;
+ b.flip();
+ ck(b, b.get(), 0);
+ ck(b, b.get(), (double)-1);
+ ck(b, b.get(), 1);
+ ck(b, b.get(), Double.MAX_VALUE);
+ ck(b, b.get(), Double.MIN_VALUE);
+
+
+
+
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+
+
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+
+
+
+ ck(b, b.get(), -Double.MAX_VALUE);
+ ck(b, b.get(), -Double.MIN_VALUE);
+ ck(b, b.get(), Double.NEGATIVE_INFINITY);
+ ck(b, b.get(), Double.POSITIVE_INFINITY);
+ if (Double.doubleToRawLongBits(v = b.get())
+ != Double.doubleToRawLongBits(Double.NaN))
+ fail(b, (long)Double.NaN, (long)v);
+ ck(b, b.get(), 0.5121609353879392);
+
+
+
+ // Comparison
+ b.rewind();
+ DoubleBuffer b2 = DoubleBuffer.allocate(b.capacity());
+ b2.put(b);
+ b2.flip();
+ b.position(2);
+ b2.position(2);
+ if (!b.equals(b2)) {
+ for (int i = 2; i < b.limit(); i++) {
+ double x = b.get(i);
+ double y = b2.get(i);
+ if (x != y
+
+ || Double.compare(x, y) != 0
+
+
+
+
+ )
+ out.println("[" + i + "] " + x + " != " + y);
+ }
+ fail("Identical buffers not equal", b, b2);
+ }
+ if (b.compareTo(b2) != 0)
+ fail("Comparison to identical buffer != 0", b, b2);
+
+ b.limit(b.limit() + 1);
+ b.position(b.limit() - 1);
+ b.put((double)99);
+ b.rewind();
+ b2.rewind();
+ if (b.equals(b2))
+ fail("Non-identical buffers equal", b, b2);
+ if (b.compareTo(b2) <= 0)
+ fail("Comparison to shorter buffer <= 0", b, b2);
+ b.limit(b.limit() - 1);
+
+ b.put(2, (double)42);
+ if (b.equals(b2))
+ fail("Non-identical buffers equal", b, b2);
+ if (b.compareTo(b2) <= 0)
+ fail("Comparison to lesser buffer <= 0", b, b2);
+
+ // Sub, dup
+
+ relPut(b);
+ relGet(b.duplicate());
+ b.position(13);
+ relGet(b.duplicate(), 13);
+ relGet(b.duplicate().slice(), 13);
+ relGet(b.slice(), 13);
+ relGet(b.slice().duplicate(), 13);
+
+ // Slice
+
+ b.position(5);
+ DoubleBuffer sb = b.slice();
+ checkSlice(b, sb);
+ b.position(0);
+ DoubleBuffer sb2 = sb.slice();
+ checkSlice(sb, sb2);
+
+ if (!sb.equals(sb2))
+ fail("Sliced slices do not match", sb, sb2);
+ if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
+ fail("Array offsets do not match: "
+ + sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
+
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+
+
+
+
+ // Read-only views
+
+ b.rewind();
+ final DoubleBuffer rb = b.asReadOnlyBuffer();
+ if (!b.equals(rb))
+ fail("Buffer not equal to read-only view", b, rb);
+ show(level + 1, rb);
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ relPut(rb);
+ }});
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ absPut(rb);
+ }});
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ bulkPutArray(rb);
+ }});
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ bulkPutBuffer(rb);
+ }});
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ rb.compact();
+ }});
+
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+ if (rb.getClass().getName().startsWith("java.nio.Heap")) {
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ rb.array();
+ }});
+
+ tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
+ public void run() {
+ rb.arrayOffset();
+ }});
+
+ if (rb.hasArray())
+ fail("Read-only heap buffer's backing array is accessible",
+ rb);
+
+ }
+
+ // Bulk puts from read-only buffers
+
+ b.clear();
+ rb.rewind();
+ b.put(rb);
+
+
+
+
+
+
+
+
+
+
+
+ relPut(b); // Required by testViews
+
+ }
+
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+
+ public static void test(final double [] ba) {
+ int offset = 47;
+ int length = 900;
+ final DoubleBuffer b = DoubleBuffer.wrap(ba, offset, length);
+ show(0, b);
+ ck(b, b.capacity(), ba.length);
+ ck(b, b.position(), offset);
+ ck(b, b.limit(), offset + length);
+
+ // The offset must be non-negative and no larger than <array.length>.
+ tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap(ba, -1, ba.length);
+ }});
+ tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap(ba, ba.length + 1, ba.length);
+ }});
+ tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap(ba, 0, -1);
+ }});
+ tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap(ba, 0, ba.length + 1);
+ }});
+
+ // A NullPointerException will be thrown if the array is null.
+ tryCatch(ba, NullPointerException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap((double []) null, 0, 5);
+ }});
+ tryCatch(ba, NullPointerException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.wrap((double []) null);
+ }});
+ }
+
+ private static void testAllocate() {
+ // An IllegalArgumentException will be thrown for negative capacities.
+ tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
+ public void run() {
+ DoubleBuffer.allocate(-1);
+ }});
+
+
+
+
+
+
+ }
+
+ public static void test() {
+ testAllocate();
+ test(0, DoubleBuffer.allocate(7 * 1024), false);
+ test(0, DoubleBuffer.wrap(new double[7 * 1024], 0, 7 * 1024), false);
+ test(new double[1024]);
+
+
+
+
+
+
+
+
+
+
+ callReset(DoubleBuffer.allocate(10));
+
+
+
+ putBuffer();
+
+ }
+
+}