Java Code Examples for sun.invoke.util.Wrapper#zero()
The following examples show how to use
sun.invoke.util.Wrapper#zero() .
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Example 1
| Source File: ValueConversionsTest.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 2
| Source File: ValueConversionsTest.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 3
| Source File: ValueConversionsTest.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 4
| Source File: ValueConversionsTest.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 5
| Source File: ValueConversionsTest.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 6
| Source File: ValueConversionsTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 7
| Source File: ValueConversionsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 8
| Source File: ValueConversionsTest.java From hottub with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 9
| Source File: ValueConversionsTest.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst.primitiveType());
else
unboxer = ValueConversions.unbox(dst.primitiveType());
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case OBJECT: result = (Object) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
case VOID: result = null; unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 10
| Source File: ValueConversionsTest.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst.primitiveType());
else
unboxer = ValueConversions.unbox(dst.primitiveType());
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case OBJECT: result = (Object) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
case VOID: result = null; unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 11
| Source File: ValueConversionsTest.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 12
| Source File: ValueConversionsTest.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
Example 13
| Source File: ValueConversionsTest.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
private void testUnbox(boolean doCast, Wrapper dst, Wrapper src) throws Throwable {
boolean expectThrow = !doCast && !dst.isConvertibleFrom(src);
if (dst == Wrapper.OBJECT || src == Wrapper.OBJECT) return; // must have prims
if (dst == Wrapper.VOID || src == Wrapper.VOID ) return; // must have values
if (dst == Wrapper.OBJECT)
expectThrow = false; // everything (even VOID==null here) converts to OBJECT
try {
for (int n = -5; n < 10; n++) {
Object box = src.wrap(n);
switch (src) {
case VOID: assertEquals(box, null); break;
case OBJECT: box = box.toString(); break;
case SHORT: assertEquals(box.getClass(), Short.class); break;
default: assertEquals(box.getClass(), src.wrapperType()); break;
}
MethodHandle unboxer;
if (doCast)
unboxer = ValueConversions.unboxCast(dst);
else
unboxer = ValueConversions.unboxWiden(dst);
Object expResult = (box == null) ? dst.zero() : dst.wrap(box);
Object result = null;
switch (dst) {
case INT: result = (int) unboxer.invokeExact(box); break;
case LONG: result = (long) unboxer.invokeExact(box); break;
case FLOAT: result = (float) unboxer.invokeExact(box); break;
case DOUBLE: result = (double) unboxer.invokeExact(box); break;
case CHAR: result = (char) unboxer.invokeExact(box); break;
case BYTE: result = (byte) unboxer.invokeExact(box); break;
case SHORT: result = (short) unboxer.invokeExact(box); break;
case BOOLEAN: result = (boolean) unboxer.invokeExact(box); break;
}
if (expectThrow) {
expResult = "(need an exception)";
}
assertEquals("(doCast,expectThrow,dst,src,n,box)="+Arrays.asList(doCast,expectThrow,dst,src,n,box),
expResult, result);
}
} catch (RuntimeException ex) {
if (expectThrow) return;
System.out.println("Unexpected throw for (doCast,expectThrow,dst,src)="+Arrays.asList(doCast,expectThrow,dst,src));
throw ex;
}
}
