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43 lines
1.1 KiB
43 lines
1.1 KiB
10 years ago
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/*
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* Example of using internal properties from C code.
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*/
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/*===
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*** test_1 (duk_safe_call)
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{foo:1," \xffbar":3}
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final top: 1
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==> rc=0, result='undefined'
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===*/
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static duk_ret_t test_1(duk_context *ctx) {
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duk_eval_string(ctx, "(function (x) { print(Duktape.enc('jx', x)); })");
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duk_push_object(ctx);
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/* Ordinary property */
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duk_push_int(ctx, 1);
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duk_put_prop_string(ctx, -2, "foo"); /* obj.foo = 1 */
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/* Internal property \xFF\xFFabc, technically enumerable (based on
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* property attributes) but because of internal property special
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* behavior, does not enumerate.
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*/
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duk_push_int(ctx, 2);
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duk_put_prop_string(ctx, -2, "\xff\xff" "abc"); /* obj[\xff\xffabc] = 2, internal property */
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/* Another property with invalid UTF-8 data but doesn't begin with
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* \xFF => gets enumerated and JX prints out an approximate key.
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*/
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duk_push_int(ctx, 3);
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duk_put_prop_string(ctx, -2, " \xff" "bar"); /* obj[ \xffbar] = 3, invalid utf-8 but not an internal property */
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duk_call(ctx, 1);
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printf("final top: %ld\n", (long) duk_get_top(ctx));
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return 0;
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}
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void test(duk_context *ctx) {
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TEST_SAFE_CALL(test_1);
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}
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