// Type conversion error should report its type. load(libdir + 'asserts.js'); function test() { // Note: js shell cannot handle the exception in return value. // primitive let func_type = ctypes.FunctionType(ctypes.default_abi, ctypes.voidptr_t, [ctypes.int32_t]).ptr; let f1 = func_type(function() {}); assertTypeErrorMessage(() => { f1("foo"); }, /can't pass the string "foo" to argument 1 of ctypes\.FunctionType\(ctypes\.default_abi, ctypes\.voidptr_t, \[ctypes\.int32_t\]\)\.ptr\(ctypes\.UInt64\("[x0-9A-Fa-f]+"\)\)/); // struct let test_struct = ctypes.StructType("test_struct", [{ "x": ctypes.int32_t }]); let func_type2 = ctypes.FunctionType(ctypes.default_abi, ctypes.int32_t, [test_struct]).ptr; let f2 = func_type2(function() {}); assertTypeErrorMessage(() => { f2({ "x": "foo" }); }, /can't convert the string \"foo\" to the 'x' field \(int32_t\) of test_struct at argument 1 of ctypes\.FunctionType\(ctypes\.default_abi, ctypes.int32_t, \[test_struct\]\)\.ptr\(ctypes\.UInt64\(\"[x0-9A-Fa-f]+\"\)\)/); assertTypeErrorMessage(() => { f2({ "x": "foo", "y": "bar" }); }, /property count of the object \(\{x:\"foo\", y:\"bar\"\}\) does not match to field count of the type test_struct \(expected 1, got 2\) at argument 1 of ctypes\.FunctionType\(ctypes\.default_abi, ctypes\.int32_t, \[test_struct\]\)\.ptr\(ctypes\.UInt64\(\"[x0-9A-Fa-f]+\"\)\)/); assertTypeErrorMessage(() => { f2({ 0: "foo" }); }, /property name the number 0 of the object \(\{0:\"foo\"\}\) is not a string at argument 1 of ctypes\.FunctionType\(ctypes\.default_abi, ctypes\.int32_t, \[test_struct\]\)\.ptr\(ctypes\.UInt64\(\"[x0-9A-Fa-f]+\"\)\)/); // error sentinel assertTypeErrorMessage(() => { func_type(function() {}, null, "foo"); }, "can't convert the string \"foo\" to the return type of ctypes.FunctionType(ctypes.default_abi, ctypes.voidptr_t, [ctypes.int32_t])"); } if (typeof ctypes === "object") test();