public void testBooleanToIntArgumentConversion() {
final int MAGIC = 0xABEDCF23;
Map options = new HashMap();
DefaultTypeMapper mapper = new DefaultTypeMapper();
mapper.addToNativeConverter(
Boolean.class,
new ToNativeConverter() {
public Object toNative(Object arg, ToNativeContext ctx) {
return new Integer(Boolean.TRUE.equals(arg) ? MAGIC : 0);
}
public Class nativeType() {
return Integer.class;
}
});
options.put(Library.OPTION_TYPE_MAPPER, mapper);
TestLibrary lib = (TestLibrary) Native.loadLibrary("testlib", TestLibrary.class, options);
assertEquals("Failed to convert Boolean argument to Int", MAGIC, lib.returnInt32Argument(true));
}
public void testStringToIntArgumentConversion() {
DefaultTypeMapper mapper = new DefaultTypeMapper();
mapper.addToNativeConverter(
String.class,
new ToNativeConverter() {
public Object toNative(Object arg, ToNativeContext ctx) {
return Integer.valueOf((String) arg, 16);
}
public Class nativeType() {
return Integer.class;
}
});
Map options = new HashMap();
options.put(Library.OPTION_TYPE_MAPPER, mapper);
final int MAGIC = 0x7BEDCF23;
TestLibrary lib = (TestLibrary) Native.loadLibrary("testlib", TestLibrary.class, options);
assertEquals(
"Failed to convert String argument to Int",
MAGIC,
lib.returnInt32Argument(Integer.toHexString(MAGIC)));
}
public void testNumberToIntArgumentConversion() {
DefaultTypeMapper mapper = new DefaultTypeMapper();
mapper.addToNativeConverter(
Double.class,
new ToNativeConverter() {
public Object toNative(Object arg, ToNativeContext ctx) {
return new Integer(((Double) arg).intValue());
}
public Class nativeType() {
return Integer.class;
}
});
Map options = new HashMap();
options.put(Library.OPTION_TYPE_MAPPER, mapper);
final int MAGIC = 0x7BEDCF23;
TestLibrary lib = (TestLibrary) Native.loadLibrary("testlib", TestLibrary.class, options);
assertEquals(
"Failed to convert Double argument to Int",
MAGIC,
lib.returnInt32Argument(new Double(MAGIC)));
}