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124 lines
2.7 KiB
124 lines
2.7 KiB
/*===
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*** test_1 (duk_safe_call)
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blen=5, clen=3, str="o\xe1\x88\xb4a"
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blen=6, clen=4, str="o\xe1\x88\xb4ar"
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blen=0, clen=0, str=""
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blen=0, clen=0, str=""
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final top: 1
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==> rc=0, result='undefined'
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*** test_2 (duk_safe_call)
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==> rc=1, result='TypeError: string required, found 123456 (stack index 0)'
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*** test_3 (duk_safe_call)
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==> rc=1, result='Error: invalid stack index -2'
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*** test_4 (duk_safe_call)
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==> rc=1, result='Error: invalid stack index -2147483648'
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===*/
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static void dump_string(duk_context *ctx) {
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const char *buf;
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duk_size_t i, len;
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buf = duk_get_lstring(ctx, -1, &len);
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printf("blen=%lu, clen=%lu, str=\"", (unsigned long) len, (unsigned long) duk_get_length(ctx, -1));
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for (i = 0; i < len; i++) {
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char c = buf[i];
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if (c >= 0x20 && c <= 0x7e) {
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printf("%c", c);
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} else {
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printf("\\x%02x", ((int) c) & 0xff);
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}
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}
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printf("\"\n");
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duk_pop(ctx);
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}
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static duk_ret_t test_1(duk_context *ctx, void *udata) {
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/*
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* Test with a string containing non-ASCII to ensure indices are
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* treated correctly as char indices.
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*
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* >>> u'foo\u1234ar'.encode('utf-8').encode('hex')
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* '666f6fe188b46172'
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*/
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const char *teststr = "666f6fe188b46172";
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(void) udata;
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duk_set_top(ctx, 0);
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duk_push_string(ctx, (const char *) teststr);
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duk_hex_decode(ctx, -1);
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duk_to_string(ctx, -1);
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/* basic case */
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duk_dup_top(ctx);
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duk_push_int(ctx, 123); /* dummy */
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duk_substring(ctx, -2, 2, 5); /* test index other than stack top */
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duk_pop(ctx);
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dump_string(ctx);
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/* end is clamped */
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duk_dup_top(ctx);
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duk_substring(ctx, -1, 2, 8);
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dump_string(ctx);
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/* start and end are clamped */
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duk_dup_top(ctx);
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duk_substring(ctx, -1, 10, 20);
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dump_string(ctx);
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/* start > end */
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duk_dup_top(ctx);
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duk_substring(ctx, -1, 4, 2);
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dump_string(ctx);
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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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/* non-string -> error */
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static duk_ret_t test_2(duk_context *ctx, void *udata) {
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(void) udata;
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duk_set_top(ctx, 0);
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duk_push_int(ctx, 123456);
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duk_substring(ctx, -1, 2, 4);
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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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/* invalid index */
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static duk_ret_t test_3(duk_context *ctx, void *udata) {
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(void) udata;
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duk_set_top(ctx, 0);
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duk_push_string(ctx, "foobar");
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duk_substring(ctx, -2, 2, 4);
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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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/* invalid index */
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static duk_ret_t test_4(duk_context *ctx, void *udata) {
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(void) udata;
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duk_set_top(ctx, 0);
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duk_push_string(ctx, "foobar");
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duk_substring(ctx, DUK_INVALID_INDEX, 2, 4);
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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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TEST_SAFE_CALL(test_2);
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TEST_SAFE_CALL(test_3);
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TEST_SAFE_CALL(test_4);
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}
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