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load(libdir + 'asserts.js');
function test() {
let p = ctypes.StructType("foo").ptr(0);
assertTypeErrorMessage(() => { p.increment(); },
"cannot modify pointer of undefined size foo.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { p.decrement(); },
"cannot modify pointer of undefined size foo.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { let a = p.contents; },
"cannot get contents of pointer of undefined size foo.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { p.contents = 1; },
"cannot set contents of pointer of undefined size foo.ptr(ctypes.UInt64(\"0x0\"))");
let p2 = ctypes.int32_t.ptr(0);
assertTypeErrorMessage(() => { let a = p2.contents; },
"cannot read contents of null pointer ctypes.int32_t.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { p2.contents = 1; },
"cannot write contents to null pointer ctypes.int32_t.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { p2.readString(); },
"cannot read contents of null pointer ctypes.int32_t.ptr(ctypes.UInt64(\"0x0\"))");
assertTypeErrorMessage(() => { ctypes.int32_t(0).readString(); },
"expected PointerType or ArrayType, got ctypes.int32_t(0)");
assertTypeErrorMessage(() => { ctypes.int32_t(0).address().readString(); },
/base type ctypes\.int32_t\.ptr\(ctypes\.UInt64\(\"[x0-9A-Fa-f]+\"\)\) is not an 8-bit or 16-bit integer or character type/);
}
if (typeof ctypes === "object")
test();
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