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test/java/nio/Buffer/BasicByte.java
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@@ -29,11 +29,10 @@
*/
// -- This file was mechanically generated: Do not edit! -- //
import java.nio.*;
-import java.lang.reflect.Method;
public class BasicByte
extends Basic
{
@@ -58,74 +57,79 @@
};
private static void relGet(ByteBuffer b) {
int n = b.capacity();
- byte v;
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
ck(b, (long)b.get(), (long)((byte)ic(i)));
+ }
b.rewind();
}
private static void relGet(ByteBuffer b, int start) {
int n = b.remaining();
- byte v;
- for (int i = start; i < n; i++)
+ for (int i = start; i < n; i++) {
ck(b, (long)b.get(), (long)((byte)ic(i)));
+ }
b.rewind();
}
private static void absGet(ByteBuffer b) {
int n = b.capacity();
- byte v;
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
ck(b, (long)b.get(), (long)((byte)ic(i)));
+ }
b.rewind();
}
private static void bulkGet(ByteBuffer b) {
int n = b.capacity();
byte[] a = new byte[n + 7];
b.get(a, 7, n);
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
ck(b, (long)a[i + 7], (long)((byte)ic(i)));
}
+ }
private static void relPut(ByteBuffer b) {
int n = b.capacity();
b.clear();
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
b.put((byte)ic(i));
+ }
b.flip();
}
private static void absPut(ByteBuffer b) {
int n = b.capacity();
b.clear();
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
b.put(i, (byte)ic(i));
+ }
b.limit(n);
b.position(0);
}
private static void bulkPutArray(ByteBuffer b) {
int n = b.capacity();
b.clear();
byte[] a = new byte[n + 7];
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
a[i + 7] = (byte)ic(i);
+ }
b.put(a, 7, n);
b.flip();
}
private static void bulkPutBuffer(ByteBuffer b) {
int n = b.capacity();
b.clear();
ByteBuffer c = ByteBuffer.allocate(n + 7);
c.position(7);
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
c.put((byte)ic(i));
+ }
c.flip();
c.position(7);
b.put(c);
b.flip();
try {
@@ -186,54 +190,57 @@
+
private static void checkSlice(ByteBuffer b, ByteBuffer slice) {
ck(slice, 0, slice.position());
ck(slice, b.remaining(), slice.limit());
ck(slice, b.remaining(), slice.capacity());
- if (b.isDirect() != slice.isDirect())
+ if (b.isDirect() != slice.isDirect()) {
fail("Lost direction", slice);
- if (b.isReadOnly() != slice.isReadOnly())
+ }
+ if (b.isReadOnly() != slice.isReadOnly()) {
fail("Lost read-only", slice);
}
+ }
private static void checkBytes(ByteBuffer b, byte[] bs) {
int n = bs.length;
int p = b.position();
- byte v;
if (b.order() == ByteOrder.BIG_ENDIAN) {
- for (int i = 0; i < n; i++)
+ for (int i = 0; i < n; i++) {
ck(b, b.get(), bs[i]);
+ }
} else {
- for (int i = n - 1; i >= 0; i--)
+ for (int i = n - 1; i >= 0; i--) {
ck(b, b.get(), bs[i]);
}
+ }
b.position(p);
}
private static void compact(Buffer b) {
try {
Class<?> cl = b.getClass();
- Method m = cl.getDeclaredMethod("compact");
+ java.lang.reflect.Method m = cl.getDeclaredMethod("compact");
m.setAccessible(true);
m.invoke(b);
} catch (Exception e) {
fail(e.getMessage(), b);
}
}
private static void checkInvalidMarkException(final Buffer b) {
- tryCatch(b, InvalidMarkException.class, new Runnable() {
- public void run() {
+ tryCatch(b, InvalidMarkException.class, () -> {
b.mark();
compact(b);
b.reset();
- }});
+ });
}
private static void testViews(int level, ByteBuffer b, boolean direct) {
ShortBuffer sb = b.asShortBuffer();
@@ -362,79 +369,86 @@
int longMisalignmentAtZero = empty.alignmentOffset(0, 8);
if (direct) {
// Freshly created direct byte buffers should be aligned at index 0
// for ref and primitive values (see Unsafe.allocateMemory)
- if (longMisalignmentAtZero != 0)
- fail("Direct byte buffer misalligned at index 0 for ref and primitive values " + longMisalignmentAtZero);
+ if (longMisalignmentAtZero != 0) {
+ fail("Direct byte buffer misaligned at index 0 for ref and primitive values " + longMisalignmentAtZero);
+ }
} else {
// For heap byte buffers misalignment may occur on 32-bit systems
// where Unsafe.ARRAY_BYTE_BASE_OFFSET % 8 == 4 and not 0
// Note the GC will preserve alignment of the base address of the
// array
- if (jdk.internal.misc.Unsafe.ARRAY_BYTE_BASE_OFFSET % 8 != longMisalignmentAtZero)
- fail("Heap byte buffer misalligned at index 0 for ref and primitive values " + longMisalignmentAtZero);
+ if (jdk.internal.misc.Unsafe.ARRAY_BYTE_BASE_OFFSET % 8 != longMisalignmentAtZero) {
+ fail("Heap byte buffer misaligned at index 0 for ref and primitive values " + longMisalignmentAtZero);
+ }
}
// Ensure test buffer is correctly aligned at index 0
- if (b.alignmentOffset(0, 8) != longMisalignmentAtZero)
+ if (b.alignmentOffset(0, 8) != longMisalignmentAtZero) {
fail("Test input buffer not correctly aligned at index 0", b);
-
+ }
// Test misalignment values
for (int us : new int[]{1, 2, 4, 8}) {
for (int i = 0; i < us * 2; i++) {
int am = b.alignmentOffset(i, us);
int expectedAm = (longMisalignmentAtZero + i) % us;
- if (am != expectedAm)
+ if (am != expectedAm) {
fail(String.format("b.alignmentOffset(%d, %d) == %d incorrect, expected %d", i, us, am, expectedAm));
}
}
+ }
// Created aligned slice to test against
int ap = 8 - longMisalignmentAtZero;
int al = b.limit() - b.alignmentOffset(b.limit(), 8);
ByteBuffer ab = b.position(ap).limit(al).
slice();
- if (ab.limit() == 0)
+ if (ab.limit() == 0) {
fail("Test input buffer not sufficiently sized to cover an aligned region for all values", b);
- if (ab.alignmentOffset(0, 8) != 0)
+ }
+ if (ab.alignmentOffset(0, 8) != 0) {
fail("Aligned test input buffer not correctly aligned at index 0", ab);
+ }
for (int us : new int[]{1, 2, 4, 8}) {
for (int p = 1; p < 16; p++) {
int l = ab.limit() - p;
ByteBuffer as = ab.slice().position(p).limit(l).
alignedSlice(us);
ck(as, 0, as.position());
ck(as, as.capacity(), as.limit());
- if (b.isDirect() != as.isDirect())
+ if (b.isDirect() != as.isDirect()) {
fail("Lost direction", as);
- if (b.isReadOnly() != as.isReadOnly())
+ }
+ if (b.isReadOnly() != as.isReadOnly()) {
fail("Lost read-only", as);
-
- if (as.alignmentOffset(0, us) != 0)
+ }
+ if (as.alignmentOffset(0, us) != 0) {
fail("Buffer not correctly aligned at index 0", as);
-
- if (as.alignmentOffset(as.limit(), us) != 0)
+ }
+ if (as.alignmentOffset(as.limit(), us) != 0) {
fail("Buffer not correctly aligned at limit", as);
-
+ }
int p_mod = ab.alignmentOffset(p, us);
int l_mod = ab.alignmentOffset(l, us);
// Round up position
p = (p_mod > 0) ? p + (us - p_mod) : p;
// Round down limit
l = l - l_mod;
int ec = l - p;
- if (as.limit() != ec)
+ if (as.limit() != ec) {
fail("Buffer capacity incorrect, expected: " + ec, as);
}
}
}
+ }
private static void fail(String problem,
ByteBuffer xb, ByteBuffer yb,
byte x, byte y) {
@@ -450,24 +464,26 @@
caught = true;
} else {
fail(x.getMessage() + " not expected");
}
}
- if (!caught)
+ if (!caught) {
fail(ex.getName() + " not thrown", b);
}
+ }
private static void tryCatch(byte [] t, Class<?> ex, Runnable thunk) {
tryCatch(ByteBuffer.wrap(t), ex, thunk);
}
public static void test(int level, final ByteBuffer b, boolean direct) {
show(level, b);
- if (direct != b.isDirect())
+ if (direct != b.isDirect()) {
fail("Wrong direction", b);
+ }
// Gets and puts
relPut(b);
relGet(b);
@@ -520,11 +536,10 @@
-
// Compact
relPut(b);
b.position(13);
b.compact();
@@ -535,42 +550,17 @@
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((byte)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(), (byte)42);
- }});
-
- tryCatch(b, InvalidMarkException.class, new Runnable() {
- public void run() {
- b.position(0);
- b.mark();
- b.compact();
- b.reset();
- }});
+ tryCatch(b, BufferUnderflowException.class, () -> b.get());
+ tryCatch(b, BufferOverflowException.class, () -> b.put((byte)42));
+ // The index must be non-negative and less than the buffer's limit.
+ tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(b.limit()));
+ tryCatch(b, IndexOutOfBoundsException.class, () -> b.get(-1));
+ tryCatch(b, IndexOutOfBoundsException.class, () -> b.put(b.limit(), (byte)42));
+ tryCatch(b, InvalidMarkException.class, () -> b.position(0).mark().compact().reset());
try {
b.position(b.limit() + 1);
fail("IllegalArgumentException expected for position beyond limit");
} catch (IllegalArgumentException e) {
@@ -633,11 +623,10 @@
- byte v;
b.flip();
ck(b, b.get(), 0);
ck(b, b.get(), (byte)-1);
ck(b, b.get(), 1);
ck(b, b.get(), Byte.MAX_VALUE);
@@ -663,10 +652,14 @@
+
+
+
+
// Comparison
b.rewind();
ByteBuffer b2 = ByteBuffer.allocate(b.capacity());
b2.put(b);
b2.flip();
@@ -681,42 +674,47 @@
- )
+ ) {
out.println("[" + i + "] " + x + " != " + y);
}
+ }
fail("Identical buffers not equal", b, b2);
}
- if (b.compareTo(b2) != 0)
+ 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((byte)99);
b.rewind();
b2.rewind();
- if (b.equals(b2))
+ if (b.equals(b2)) {
fail("Non-identical buffers equal", b, b2);
- if (b.compareTo(b2) <= 0)
+ }
+ if (b.compareTo(b2) <= 0) {
fail("Comparison to shorter buffer <= 0", b, b2);
+ }
b.limit(b.limit() - 1);
b.put(2, (byte)42);
- if (b.equals(b2))
+ if (b.equals(b2)) {
fail("Non-identical buffers equal", b, b2);
- if (b.compareTo(b2) <= 0)
+ }
+ if (b.compareTo(b2) <= 0) {
fail("Comparison to lesser buffer <= 0", b, b2);
+ }
// Check equals and compareTo with interesting values
for (byte x : VALUES) {
ByteBuffer xb = ByteBuffer.wrap(new byte[] { x });
if (xb.compareTo(xb) != 0) {
fail("compareTo not reflexive", xb, xb, x, x);
}
- if (! xb.equals(xb)) {
+ if (!xb.equals(xb)) {
fail("equals not reflexive", xb, xb, x, x);
}
for (byte y : VALUES) {
ByteBuffer yb = ByteBuffer.wrap(new byte[] { y });
if (xb.compareTo(yb) != - yb.compareTo(xb)) {
@@ -761,15 +759,17 @@
checkSlice(b, sb);
b.position(0);
ByteBuffer sb2 = sb.slice();
checkSlice(sb, sb2);
- if (!sb.equals(sb2))
+ if (!sb.equals(sb2)) {
fail("Sliced slices do not match", sb, sb2);
- if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset()))
+ }
+ if ((sb.hasArray()) && (sb.arrayOffset() != sb2.arrayOffset())) {
fail("Array offsets do not match: "
+ sb.arrayOffset() + " != " + sb2.arrayOffset(), sb, sb2);
+ }
// Views
@@ -802,102 +802,41 @@
// Read-only views
b.rewind();
final ByteBuffer rb = b.asReadOnlyBuffer();
- if (!b.equals(rb))
+ 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, () -> relPut(rb));
+ tryCatch(b, ReadOnlyBufferException.class, () -> absPut(rb));
+ tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutArray(rb));
+ tryCatch(b, ReadOnlyBufferException.class, () -> bulkPutBuffer(rb));
// put(ByteBuffer) should not change source position
final ByteBuffer src = ByteBuffer.allocate(1);
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.put(src);
- }});
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.put(src));
ck(src, src.position(), 0);
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.compact();
- }});
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.compact());
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putChar((char)1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putChar(0, (char)1);
- }});
-
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putShort((short)1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putShort(0, (short)1);
- }});
-
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putInt(1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putInt(0, 1);
- }});
-
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putLong((long)1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putLong(0, (long)1);
- }});
-
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putFloat((float)1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putFloat(0, (float)1);
- }});
-
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putDouble((double)1);
- }});
- tryCatch(b, ReadOnlyBufferException.class, new Runnable() {
- public void run() {
- rb.putDouble(0, (double)1);
- }});
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putChar((char)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putChar(0, (char)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putShort((short)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putShort(0, (short)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putInt(1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putInt(0, 1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putLong((long)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putLong(0, (long)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putFloat((float)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putFloat(0, (float)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putDouble((double)1));
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.putDouble(0, (double)1));
@@ -914,25 +853,15 @@
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);
-
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.array());
+ tryCatch(b, ReadOnlyBufferException.class, () -> rb.arrayOffset());
+ if (rb.hasArray()) {
+ fail("Read-only heap buffer's backing array is accessible", rb);
+ }
}
// Bulk puts from read-only buffers
b.clear();
@@ -1050,57 +979,33 @@
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() {
- ByteBuffer.wrap(ba, -1, ba.length);
- }});
- tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
- public void run() {
- ByteBuffer.wrap(ba, ba.length + 1, ba.length);
- }});
- tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
- public void run() {
- ByteBuffer.wrap(ba, 0, -1);
- }});
- tryCatch(ba, IndexOutOfBoundsException.class, new Runnable() {
- public void run() {
- ByteBuffer.wrap(ba, 0, ba.length + 1);
- }});
+ tryCatch(ba, IndexOutOfBoundsException.class, () -> ByteBuffer.wrap(ba, -1, ba.length));
+ tryCatch(ba, IndexOutOfBoundsException.class, () -> ByteBuffer.wrap(ba, ba.length + 1, ba.length));
+ tryCatch(ba, IndexOutOfBoundsException.class, () -> ByteBuffer.wrap(ba, 0, -1));
+ tryCatch(ba, IndexOutOfBoundsException.class, () -> ByteBuffer.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() {
- ByteBuffer.wrap((byte []) null, 0, 5);
- }});
- tryCatch(ba, NullPointerException.class, new Runnable() {
- public void run() {
- ByteBuffer.wrap((byte []) null);
- }});
+ tryCatch(ba, NullPointerException.class, () -> ByteBuffer.wrap((byte []) null, 0, 5));
+ tryCatch(ba, NullPointerException.class, () -> ByteBuffer.wrap((byte []) null));
}
private static void testAllocate() {
// An IllegalArgumentException will be thrown for negative capacities.
- tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
- public void run() {
- ByteBuffer.allocate(-1);
- }});
+ tryCatch((Buffer) null, IllegalArgumentException.class, () -> ByteBuffer.allocate(-1));
try {
ByteBuffer.allocate(-1);
} catch (IllegalArgumentException e) {
if (e.getMessage() == null) {
fail("Non-null IllegalArgumentException message expected for"
+ " attempt to allocate negative capacity buffer");
}
}
- tryCatch((Buffer) null, IllegalArgumentException.class, new Runnable() {
- public void run() {
- ByteBuffer.allocateDirect(-1);
- }});
+ tryCatch((Buffer) null, IllegalArgumentException.class, () -> ByteBuffer.allocateDirect(-1));
try {
ByteBuffer.allocateDirect(-1);
} catch (IllegalArgumentException e) {
if (e.getMessage() == null) {
fail("Non-null IllegalArgumentException message expected for"
@@ -1115,12 +1020,13 @@
test(0, ByteBuffer.allocate(7 * 1024), false);
test(0, ByteBuffer.wrap(new byte[7 * 1024], 0, 7 * 1024), false);
test(new byte[1024]);
ByteBuffer b = ByteBuffer.allocateDirect(7 * 1024);
- for (b.position(0); b.position() < b.limit(); )
+ for (b.position(0); b.position() < b.limit(); ) {
ck(b, b.get(), 0);
+ }
test(0, b, true);
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