Java Code Examples for sun.invoke.util.ValueConversions#unboxCast()
The following examples show how to use
sun.invoke.util.ValueConversions#unboxCast() .
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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; } }