static void tryMetafactory(
boolean correct, MethodHandle mh, Class<?>[] captured, MethodType instMT, MethodType samMT) {
try {
LambdaMetafactory.metafactory(
lookup, "run", methodType(I.class, captured), samMT, mh, instMT);
if (!correct) {
throw new AssertionError(
"Uncaught linkage error:"
+ " impl="
+ mh
+ ", captured="
+ Arrays.toString(captured)
+ ", inst="
+ instMT
+ ", sam="
+ samMT);
}
} catch (LambdaConversionException e) {
if (correct) {
throw new AssertionError(
"Unexpected linkage error:"
+ " e="
+ e
+ ", impl="
+ mh
+ ", captured="
+ Arrays.toString(captured)
+ ", inst="
+ instMT
+ ", sam="
+ samMT);
}
}
}
static void tryAltMetafactory(
boolean correct,
MethodHandle mh,
Class<?>[] captured,
MethodType instMT,
MethodType samMT,
MethodType... bridgeMTs) {
boolean bridge = bridgeMTs.length > 0;
Object[] args = new Object[bridge ? 5 + bridgeMTs.length : 4];
args[0] = samMT;
args[1] = mh;
args[2] = instMT;
args[3] = bridge ? LambdaMetafactory.FLAG_BRIDGES : 0;
if (bridge) {
args[4] = bridgeMTs.length;
for (int i = 0; i < bridgeMTs.length; i++) args[5 + i] = bridgeMTs[i];
}
try {
LambdaMetafactory.altMetafactory(lookup, "run", methodType(I.class, captured), args);
if (!correct) {
throw new AssertionError(
"Uncaught linkage error:"
+ " impl="
+ mh
+ ", captured="
+ Arrays.toString(captured)
+ ", inst="
+ instMT
+ ", sam="
+ samMT
+ ", bridges="
+ Arrays.toString(bridgeMTs));
}
} catch (LambdaConversionException e) {
if (correct) {
throw new AssertionError(
"Unexpected linkage error:"
+ " e="
+ e
+ ", impl="
+ mh
+ ", captured="
+ Arrays.toString(captured)
+ ", inst="
+ instMT
+ ", sam="
+ samMT
+ ", bridges="
+ Arrays.toString(bridgeMTs));
}
}
}
