mirror of
https://github.com/bellard/quickjs.git
synced 2024-11-22 21:58:12 +08:00
548 lines
11 KiB
JavaScript
548 lines
11 KiB
JavaScript
function assert(actual, expected, message) {
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if (arguments.length == 1)
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expected = true;
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if (actual === expected)
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return;
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if (actual !== null && expected !== null
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&& typeof actual == 'object' && typeof expected == 'object'
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&& actual.toString() === expected.toString())
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return;
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throw Error("assertion failed: got |" + actual + "|" +
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", expected |" + expected + "|" +
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(message ? " (" + message + ")" : ""));
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}
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function assert_throws(expected_error, func)
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{
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var err = false;
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try {
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func();
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} catch(e) {
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err = true;
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if (!(e instanceof expected_error)) {
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throw Error("unexpected exception type");
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}
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}
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if (!err) {
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throw Error("expected exception");
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}
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}
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// load more elaborate version of assert if available
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try { __loadScript("test_assert.js"); } catch(e) {}
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/*----------------*/
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function test_op1()
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{
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var r, a;
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r = 1 + 2;
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assert(r, 3, "1 + 2 === 3");
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r = 1 - 2;
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assert(r, -1, "1 - 2 === -1");
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r = -1;
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assert(r, -1, "-1 === -1");
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r = +2;
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assert(r, 2, "+2 === 2");
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r = 2 * 3;
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assert(r, 6, "2 * 3 === 6");
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r = 4 / 2;
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assert(r, 2, "4 / 2 === 2");
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r = 4 % 3;
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assert(r, 1, "4 % 3 === 3");
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r = 4 << 2;
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assert(r, 16, "4 << 2 === 16");
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r = 1 << 0;
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assert(r, 1, "1 << 0 === 1");
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r = 1 << 31;
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assert(r, -2147483648, "1 << 31 === -2147483648");
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r = 1 << 32;
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assert(r, 1, "1 << 32 === 1");
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r = (1 << 31) < 0;
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assert(r, true, "(1 << 31) < 0 === true");
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r = -4 >> 1;
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assert(r, -2, "-4 >> 1 === -2");
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r = -4 >>> 1;
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assert(r, 0x7ffffffe, "-4 >>> 1 === 0x7ffffffe");
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r = 1 & 1;
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assert(r, 1, "1 & 1 === 1");
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r = 0 | 1;
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assert(r, 1, "0 | 1 === 1");
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r = 1 ^ 1;
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assert(r, 0, "1 ^ 1 === 0");
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r = ~1;
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assert(r, -2, "~1 === -2");
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r = !1;
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assert(r, false, "!1 === false");
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assert((1 < 2), true, "(1 < 2) === true");
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assert((2 > 1), true, "(2 > 1) === true");
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assert(('b' > 'a'), true, "('b' > 'a') === true");
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assert(2 ** 8, 256, "2 ** 8 === 256");
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}
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function test_cvt()
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{
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assert((NaN | 0) === 0);
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assert((Infinity | 0) === 0);
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assert(((-Infinity) | 0) === 0);
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assert(("12345" | 0) === 12345);
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assert(("0x12345" | 0) === 0x12345);
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assert(((4294967296 * 3 - 4) | 0) === -4);
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assert(("12345" >>> 0) === 12345);
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assert(("0x12345" >>> 0) === 0x12345);
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assert((NaN >>> 0) === 0);
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assert((Infinity >>> 0) === 0);
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assert(((-Infinity) >>> 0) === 0);
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assert(((4294967296 * 3 - 4) >>> 0) === (4294967296 - 4));
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}
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function test_eq()
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{
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assert(null == undefined);
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assert(undefined == null);
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assert(true == 1);
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assert(0 == false);
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assert("" == 0);
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assert("123" == 123);
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assert("122" != 123);
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assert((new Number(1)) == 1);
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assert(2 == (new Number(2)));
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assert((new String("abc")) == "abc");
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assert({} != "abc");
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}
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function test_inc_dec()
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{
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var a, r;
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a = 1;
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r = a++;
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assert(r === 1 && a === 2, true, "++");
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a = 1;
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r = ++a;
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assert(r === 2 && a === 2, true, "++");
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a = 1;
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r = a--;
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assert(r === 1 && a === 0, true, "--");
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a = 1;
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r = --a;
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assert(r === 0 && a === 0, true, "--");
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a = {x:true};
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a.x++;
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assert(a.x, 2, "++");
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a = {x:true};
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a.x--;
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assert(a.x, 0, "--");
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a = [true];
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a[0]++;
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assert(a[0], 2, "++");
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a = {x:true};
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r = a.x++;
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assert(r === 1 && a.x === 2, true, "++");
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a = {x:true};
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r = a.x--;
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assert(r === 1 && a.x === 0, true, "--");
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a = [true];
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r = a[0]++;
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assert(r === 1 && a[0] === 2, true, "++");
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a = [true];
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r = a[0]--;
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assert(r === 1 && a[0] === 0, true, "--");
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}
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function F(x)
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{
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this.x = x;
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}
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function test_op2()
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{
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var a, b;
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a = new Object;
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a.x = 1;
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assert(a.x, 1, "new");
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b = new F(2);
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assert(b.x, 2, "new");
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a = {x : 2};
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assert(("x" in a), true, "in");
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assert(("y" in a), false, "in");
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a = {};
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assert((a instanceof Object), true, "instanceof");
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assert((a instanceof String), false, "instanceof");
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assert((typeof 1), "number", "typeof");
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assert((typeof Object), "function", "typeof");
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assert((typeof null), "object", "typeof");
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assert((typeof unknown_var), "undefined", "typeof");
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a = {x: 1, if: 2, async: 3};
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assert(a.if === 2);
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assert(a.async === 3);
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}
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function test_delete()
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{
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var a, err;
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a = {x: 1, y: 1};
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assert((delete a.x), true, "delete");
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assert(("x" in a), false, "delete");
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/* the following are not tested by test262 */
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assert(delete "abc"[100], true);
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err = false;
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try {
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delete null.a;
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} catch(e) {
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err = (e instanceof TypeError);
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}
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assert(err, true, "delete");
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err = false;
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try {
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a = { f() { delete super.a; } };
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a.f();
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} catch(e) {
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err = (e instanceof ReferenceError);
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}
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assert(err, true, "delete");
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}
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function test_prototype()
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{
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var f = function f() { };
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assert(f.prototype.constructor, f, "prototype");
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var g = function g() { };
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/* QuickJS bug */
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Object.defineProperty(g, "prototype", { writable: false });
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assert(g.prototype.constructor, g, "prototype");
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}
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function test_arguments()
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{
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function f2() {
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assert(arguments.length, 2, "arguments");
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assert(arguments[0], 1, "arguments");
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assert(arguments[1], 3, "arguments");
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}
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f2(1, 3);
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}
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function test_class()
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{
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var o;
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class C {
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constructor() {
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this.x = 10;
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}
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f() {
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return 1;
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}
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static F() {
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return -1;
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}
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get y() {
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return 12;
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}
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};
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class D extends C {
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constructor() {
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super();
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this.z = 20;
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}
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g() {
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return 2;
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}
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static G() {
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return -2;
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}
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h() {
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return super.f();
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}
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static H() {
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return super["F"]();
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}
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}
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assert(C.F() === -1);
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assert(Object.getOwnPropertyDescriptor(C.prototype, "y").get.name === "get y");
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o = new C();
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assert(o.f() === 1);
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assert(o.x === 10);
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assert(D.F() === -1);
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assert(D.G() === -2);
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assert(D.H() === -1);
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o = new D();
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assert(o.f() === 1);
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assert(o.g() === 2);
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assert(o.x === 10);
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assert(o.z === 20);
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assert(o.h() === 1);
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/* test class name scope */
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var E1 = class E { static F() { return E; } };
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assert(E1 === E1.F());
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};
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function test_template()
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{
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var a, b;
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b = 123;
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a = `abc${b}d`;
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assert(a, "abc123d");
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a = String.raw `abc${b}d`;
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assert(a, "abc123d");
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a = "aaa";
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b = "bbb";
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assert(`aaa${a, b}ccc`, "aaabbbccc");
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}
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function test_template_skip()
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{
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var a = "Bar";
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var { b = `${a + `a${a}` }baz` } = {};
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assert(b, "BaraBarbaz");
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}
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function test_object_literal()
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{
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var x = 0, get = 1, set = 2; async = 3;
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a = { get: 2, set: 3, async: 4 };
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assert(JSON.stringify(a), '{"get":2,"set":3,"async":4}');
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a = { x, get, set, async };
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assert(JSON.stringify(a), '{"x":0,"get":1,"set":2,"async":3}');
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}
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function test_regexp_skip()
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{
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var a, b;
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[a, b = /abc\(/] = [1];
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assert(a === 1);
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[a, b =/abc\(/] = [2];
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assert(a === 2);
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}
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function test_labels()
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{
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do x: { break x; } while(0);
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if (1)
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x: { break x; }
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else
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x: { break x; }
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with ({}) x: { break x; };
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while (0) x: { break x; };
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}
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function test_destructuring()
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{
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function * g () { return 0; };
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var [x] = g();
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assert(x, void 0);
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}
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function test_spread()
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{
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var x;
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x = [1, 2, ...[3, 4]];
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assert(x.toString(), "1,2,3,4");
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x = [ ...[ , ] ];
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assert(Object.getOwnPropertyNames(x).toString(), "0,length");
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}
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function test_function_length()
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{
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assert( ((a, b = 1, c) => {}).length, 1);
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assert( (([a,b]) => {}).length, 1);
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assert( (({a,b}) => {}).length, 1);
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assert( ((c, [a,b] = 1, d) => {}).length, 1);
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}
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function test_argument_scope()
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{
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var f;
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var c = "global";
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f = function(a = eval("var arguments")) {};
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assert_throws(SyntaxError, f);
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f = function(a = eval("1"), b = arguments[0]) { return b; };
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assert(f(12), 12);
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f = function(a, b = arguments[0]) { return b; };
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assert(f(12), 12);
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f = function(a, b = () => arguments) { return b; };
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assert(f(12)()[0], 12);
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f = function(a = eval("1"), b = () => arguments) { return b; };
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assert(f(12)()[0], 12);
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(function() {
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"use strict";
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f = function(a = this) { return a; };
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assert(f.call(123), 123);
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f = function f(a = f) { return a; };
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assert(f(), f);
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f = function f(a = eval("f")) { return a; };
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assert(f(), f);
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})();
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f = (a = eval("var c = 1"), probe = () => c) => {
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var c = 2;
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assert(c, 2);
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assert(probe(), 1);
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}
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f();
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f = (a = eval("var arguments = 1"), probe = () => arguments) => {
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var arguments = 2;
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assert(arguments, 2);
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assert(probe(), 1);
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}
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f();
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f = function f(a = eval("var c = 1"), b = c, probe = () => c) {
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assert(b, 1);
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assert(c, 1);
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assert(probe(), 1)
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}
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f();
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assert(c, "global");
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f = function f(a, b = c, probe = () => c) {
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eval("var c = 1");
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assert(c, 1);
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assert(b, "global");
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assert(probe(), "global")
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}
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f();
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assert(c, "global");
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f = function f(a = eval("var c = 1"), probe = (d = eval("c")) => d) {
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assert(probe(), 1)
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}
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f();
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}
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function test_function_expr_name()
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{
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var f;
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/* non strict mode test : assignment to the function name silently
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fails */
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f = function myfunc() {
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myfunc = 1;
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return myfunc;
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};
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assert(f(), f);
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f = function myfunc() {
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myfunc = 1;
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(() => {
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myfunc = 1;
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})();
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return myfunc;
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};
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assert(f(), f);
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f = function myfunc() {
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eval("myfunc = 1");
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return myfunc;
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};
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assert(f(), f);
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/* strict mode test : assignment to the function name raises a
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TypeError exception */
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f = function myfunc() {
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"use strict";
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myfunc = 1;
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};
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assert_throws(TypeError, f);
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f = function myfunc() {
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"use strict";
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(() => {
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myfunc = 1;
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})();
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};
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assert_throws(TypeError, f);
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f = function myfunc() {
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"use strict";
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eval("myfunc = 1");
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};
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assert_throws(TypeError, f);
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}
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test_op1();
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test_cvt();
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test_eq();
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test_inc_dec();
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test_op2();
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test_delete();
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test_prototype();
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test_arguments();
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test_class();
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test_template();
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test_template_skip();
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test_object_literal();
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test_regexp_skip();
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test_labels();
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test_destructuring();
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test_spread();
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test_function_length();
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test_argument_scope();
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test_function_expr_name();
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