Java Code Examples for sun.invoke.util.Wrapper#zero()

The following examples show how to use sun.invoke.util.Wrapper#zero() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ValueConversionsTest.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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 vote down vote up
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;
    }
}