duktape/tests/api/test-base64.c

/*===
*** test_encode (duk_safe_call)
base64 encode: Zm9v
top after: 2
==> rc=0, result='undefined'
*** test_decode (duk_safe_call)
base64 decode: test string
top after: 2
==> rc=0, result='undefined'
*** test_decode_invalid_char (duk_safe_call)
==> rc=1, result='TypeError: decode failed'
===*/

static duk_ret_t test_encode(duk_context *ctx, void *udata) {
	(void) udata;

	duk_set_top(ctx, 0);
	duk_push_string(ctx, "foo");
	duk_push_int(ctx, 123);  /* dummy */
	printf("base64 encode: %s\n", duk_base64_encode(ctx, -2));
	printf("top after: %ld\n", (long) duk_get_top(ctx));  /* value + dummy */
	return 0;
}

static duk_ret_t test_decode(duk_context *ctx, void *udata) {
	(void) udata;

	duk_set_top(ctx, 0);
	duk_push_string(ctx, "dGVzdCBzdHJpbmc=");
	duk_push_int(ctx, 321);  /* dummy */
	duk_base64_decode(ctx, -2);  /* buffer */
	printf("base64 decode: %s\n", duk_to_string(ctx, -2));
	printf("top after: %ld\n", (long) duk_get_top(ctx));  /* value + dummy */
	duk_set_top(ctx, 0);
	return 0;
}

static duk_ret_t test_decode_invalid_char(duk_context *ctx, void *udata) {
	(void) udata;

	duk_set_top(ctx, 0);
	duk_push_string(ctx, "dGVzdCBzdHJ@bmc=");
	duk_push_int(ctx, 321);  /* dummy */
	duk_base64_decode(ctx, -2);  /* buffer */
	printf("base64 decode: %s\n", duk_to_string(ctx, -2));
	printf("top after: %ld\n", (long) duk_get_top(ctx));  /* value + dummy */
	duk_set_top(ctx, 0);
	return 0;
}

void test(duk_context *ctx) {
	TEST_SAFE_CALL(test_encode);
	TEST_SAFE_CALL(test_decode);
	TEST_SAFE_CALL(test_decode_invalid_char);
}