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/*
* duk_instanceof() error message when right side argument has no .prototype
* property, which is common for Duktape/C constructor functions.
*/
/*===
*** test_ecma (duk_safe_call)
==> rc=1, result='TypeError: instanceof rval has no .prototype'
*** test_c (duk_safe_call)
==> rc=1, result='TypeError: instanceof rval has no .prototype'
===*/
static duk_ret_t test_ecma(duk_context *ctx) {
duk_eval_string(ctx,
"(function () {\n"
" function Constructor() {}\n"
" Constructor.prototype = void 0;\n"
" print({} instanceof Constructor);\n"
"})()");
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
static duk_ret_t my_constructor(duk_context *ctx) {
(void) ctx;
return 0;
}
static duk_ret_t test_c(duk_context *ctx) {
duk_bool_t rc;
duk_push_c_function(ctx, my_constructor, 0);
duk_push_object(ctx);
rc = duk_instanceof(ctx, -1, -2); /* {} instanceof my_constructor */
printf("duk_instanceof() -> rc=%ld\n", (long) rc);
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
void test(duk_context *ctx) {
TEST_SAFE_CALL(test_ecma);
TEST_SAFE_CALL(test_c);
}