| /* |
| * Copyright (c) 2000, 2008, 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. |
| */ |
| |
| /* 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.*; |
| import java.lang.reflect.Method; |
| |
| |
| public class BasicFloat |
| extends Basic |
| { |
| |
| private static final float[] VALUES = { |
| Float.MIN_VALUE, |
| (float) -1, |
| (float) 0, |
| (float) 1, |
| Float.MAX_VALUE, |
| |
| Float.NEGATIVE_INFINITY, |
| Float.POSITIVE_INFINITY, |
| Float.NaN, |
| (float) -0.0, |
| |
| |
| |
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| |
| |
| }; |
| |
| private static void relGet(FloatBuffer b) { |
| int n = b.capacity(); |
| float v; |
| for (int i = 0; i < n; i++) |
| ck(b, (long)b.get(), (long)((float)ic(i))); |
| b.rewind(); |
| } |
| |
| private static void relGet(FloatBuffer b, int start) { |
| int n = b.remaining(); |
| float v; |
| for (int i = start; i < n; i++) |
| ck(b, (long)b.get(), (long)((float)ic(i))); |
| b.rewind(); |
| } |
| |
| private static void absGet(FloatBuffer b) { |
| int n = b.capacity(); |
| float v; |
| for (int i = 0; i < n; i++) |
| ck(b, (long)b.get(), (long)((float)ic(i))); |
| b.rewind(); |
| } |
| |
| private static void bulkGet(FloatBuffer b) { |
| int n = b.capacity(); |
| float[] a = new float[n + 7]; |
| b.get(a, 7, n); |
| for (int i = 0; i < n; i++) |
| ck(b, (long)a[i + 7], (long)((float)ic(i))); |
| } |
| |
| private static void relPut(FloatBuffer b) { |
| int n = b.capacity(); |
| b.clear(); |
| for (int i = 0; i < n; i++) |
| b.put((float)ic(i)); |
| b.flip(); |
| } |
| |
| private static void absPut(FloatBuffer b) { |
| int n = b.capacity(); |
| b.clear(); |
| for (int i = 0; i < n; i++) |
| b.put(i, (float)ic(i)); |
| b.limit(n); |
| b.position(0); |
| } |
| |
| private static void bulkPutArray(FloatBuffer b) { |
| int n = b.capacity(); |
| b.clear(); |
| float[] a = new float[n + 7]; |
| for (int i = 0; i < n; i++) |
| a[i + 7] = (float)ic(i); |
| b.put(a, 7, n); |
| b.flip(); |
| } |
| |
| private static void bulkPutBuffer(FloatBuffer b) { |
| int n = b.capacity(); |
| b.clear(); |
| FloatBuffer c = FloatBuffer.allocate(n + 7); |
| c.position(7); |
| for (int i = 0; i < n; i++) |
| c.put((float)ic(i)); |
| c.flip(); |
| c.position(7); |
| b.put(c); |
| b.flip(); |
| } |
| |
| //6231529 |
| private static void callReset(FloatBuffer b) { |
| b.position(0); |
| b.mark(); |
| |
| b.duplicate().reset(); |
| b.asReadOnlyBuffer().reset(); |
| } |
| |
| |
| |
| // 6221101-6234263 |
| |
| private static void putBuffer() { |
| final int cap = 10; |
| |
| FloatBuffer direct1 = ByteBuffer.allocateDirect(cap).asFloatBuffer(); |
| FloatBuffer nondirect1 = ByteBuffer.allocate(cap).asFloatBuffer(); |
| direct1.put(nondirect1); |
| |
| FloatBuffer direct2 = ByteBuffer.allocateDirect(cap).asFloatBuffer(); |
| FloatBuffer nondirect2 = ByteBuffer.allocate(cap).asFloatBuffer(); |
| nondirect2.put(direct2); |
| |
| FloatBuffer direct3 = ByteBuffer.allocateDirect(cap).asFloatBuffer(); |
| FloatBuffer direct4 = ByteBuffer.allocateDirect(cap).asFloatBuffer(); |
| direct3.put(direct4); |
| |
| FloatBuffer nondirect3 = ByteBuffer.allocate(cap).asFloatBuffer(); |
| FloatBuffer nondirect4 = ByteBuffer.allocate(cap).asFloatBuffer(); |
| nondirect3.put(nondirect4); |
| } |
| |
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| |
| private static void checkSlice(FloatBuffer b, FloatBuffer 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 fail(String problem, |
| FloatBuffer xb, FloatBuffer yb, |
| float x, float y) { |
| fail(problem + String.format(": x=%s y=%s", x, y), xb, yb); |
| } |
| |
| 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; |
| } else { |
| fail(x.getMessage() + " not expected"); |
| } |
| } |
| if (!caught) |
| fail(ex.getName() + " not thrown", b); |
| } |
| |
| private static void tryCatch(float [] t, Class ex, Runnable thunk) { |
| tryCatch(FloatBuffer.wrap(t), ex, thunk); |
| } |
| |
| public static void test(int level, final FloatBuffer 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 |
| |
| 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((float)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(), (float)42); |
| }}); |
| |
| tryCatch(b, InvalidMarkException.class, new Runnable() { |
| public void run() { |
| b.position(0); |
| b.mark(); |
| b.compact(); |
| b.reset(); |
| }}); |
| |
| // Values |
| |
| b.clear(); |
| b.put((float)0); |
| b.put((float)-1); |
| b.put((float)1); |
| b.put(Float.MAX_VALUE); |
| b.put(Float.MIN_VALUE); |
| |
| b.put(-Float.MAX_VALUE); |
| b.put(-Float.MIN_VALUE); |
| b.put(Float.NEGATIVE_INFINITY); |
| b.put(Float.POSITIVE_INFINITY); |
| b.put(Float.NaN); |
| b.put(0.91697687f); // Changes value if incorrectly swapped |
| |
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| float v; |
| b.flip(); |
| ck(b, b.get(), 0); |
| ck(b, b.get(), (float)-1); |
| ck(b, b.get(), 1); |
| ck(b, b.get(), Float.MAX_VALUE); |
| ck(b, b.get(), Float.MIN_VALUE); |
| |
| |
| ck(b, b.get(), -Float.MAX_VALUE); |
| ck(b, b.get(), -Float.MIN_VALUE); |
| ck(b, b.get(), Float.NEGATIVE_INFINITY); |
| ck(b, b.get(), Float.POSITIVE_INFINITY); |
| if (Float.floatToRawIntBits(v = b.get()) != Float.floatToRawIntBits(Float.NaN)) |
| fail(b, (long)Float.NaN, (long)v); |
| ck(b, b.get(), 0.91697687f); |
| |
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| |
| // Comparison |
| b.rewind(); |
| FloatBuffer b2 = FloatBuffer.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++) { |
| float x = b.get(i); |
| float y = b2.get(i); |
| if (x != y |
| |
| |
| |
| |
| || Float.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((float)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, (float)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); |
| |
| // Check equals and compareTo with interesting values |
| for (float x : VALUES) { |
| FloatBuffer xb = FloatBuffer.wrap(new float[] { x }); |
| if (xb.compareTo(xb) != 0) { |
| fail("compareTo not reflexive", xb, xb, x, x); |
| } |
| if (! xb.equals(xb)) { |
| fail("equals not reflexive", xb, xb, x, x); |
| } |
| for (float y : VALUES) { |
| FloatBuffer yb = FloatBuffer.wrap(new float[] { y }); |
| if (xb.compareTo(yb) != - yb.compareTo(xb)) { |
| fail("compareTo not anti-symmetric", |
| xb, yb, x, y); |
| } |
| if ((xb.compareTo(yb) == 0) != xb.equals(yb)) { |
| fail("compareTo inconsistent with equals", |
| xb, yb, x, y); |
| } |
| if (xb.compareTo(yb) != Float.compare(x, y)) { |
| |
| if (x == 0.0 && y == 0.0) continue; |
| |
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| |
| |
| fail("Incorrect results for FloatBuffer.compareTo", |
| xb, yb, x, y); |
| } |
| if (xb.equals(yb) != ((x == y) || ((x != x) && (y != y)))) { |
| fail("Incorrect results for FloatBuffer.equals", |
| xb, yb, x, y); |
| } |
| } |
| } |
| |
| // 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); |
| FloatBuffer sb = b.slice(); |
| checkSlice(b, sb); |
| b.position(0); |
| FloatBuffer 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 FloatBuffer 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); |
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| relPut(b); // Required by testViews |
| |
| } |
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| public static void test(final float [] ba) { |
| int offset = 47; |
| int length = 900; |
| final FloatBuffer b = FloatBuffer.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() { |
| FloatBuffer.wrap(ba, -1, ba.length); |
| }}); |
| tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() { |
| public void run() { |
| FloatBuffer.wrap(ba, ba.length + 1, ba.length); |
| }}); |
| tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() { |
| public void run() { |
| FloatBuffer.wrap(ba, 0, -1); |
| }}); |
| tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() { |
| public void run() { |
| FloatBuffer.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() { |
| FloatBuffer.wrap((float []) null, 0, 5); |
| }}); |
| tryCatch(ba, NullPointerException.class, new Runnable() { |
| public void run() { |
| FloatBuffer.wrap((float []) null); |
| }}); |
| } |
| |
| private static void testAllocate() { |
| // An IllegalArgumentException will be thrown for negative capacities. |
| tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() { |
| public void run() { |
| FloatBuffer.allocate(-1); |
| }}); |
| |
| |
| |
| |
| |
| |
| } |
| |
| public static void test() { |
| testAllocate(); |
| test(0, FloatBuffer.allocate(7 * 1024), false); |
| test(0, FloatBuffer.wrap(new float[7 * 1024], 0, 7 * 1024), false); |
| test(new float[1024]); |
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| callReset(FloatBuffer.allocate(10)); |
| |
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| |
| putBuffer(); |
| |
| } |
| |
| } |
