diff options
Diffstat (limited to 'js/src/jit-test/tests/basic/testLet.js')
| -rw-r--r-- | js/src/jit-test/tests/basic/testLet.js | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/basic/testLet.js b/js/src/jit-test/tests/basic/testLet.js new file mode 100644 index 0000000000..940dcff3dc --- /dev/null +++ b/js/src/jit-test/tests/basic/testLet.js @@ -0,0 +1,210 @@ +var otherGlobal = newGlobal(); + +function test(str, arg, result) +{ + arg = arg || 'ponies'; + if (arguments.length < 3) + result = 'ponies'; + + var fun = new Function('x', str); + + var got = `(${fun.toString()})`; + var expect = '(function anonymous(x\n) {\n' + str + '\n})'; + if (got !== expect) { + print("GOT: " + got); + print("EXPECT: " + expect); + assertEq(got, expect); + } + + // test reflection logic + Reflect.parse(got); + + var got = fun(arg); + var expect = result; + if (got !== expect) { + print("GOT:" + got); + print("EXPECT: " + expect); + assertEq(got, expect); + } +} + +function isParseError(str) +{ + var caught = false; + try { + new Function(str); + } catch(e) { + assertEq(e instanceof TypeError || e instanceof SyntaxError, true); + caught = true; + } + assertEq(caught, true); +} + +function isRuntimeParseError(str, arg) +{ + var caught = false; + try { + (new Function("x", str))(arg); + } catch(e) { + assertEq(e instanceof TypeError || e instanceof SyntaxError, true); + caught = true; + } + assertEq(caught, true); +} + +function isReferenceError(str) +{ + var caught = false; + try { + (new Function(str))(); + } catch(e) { + assertEq(e instanceof ReferenceError, true); + caught = true; + } + assertEq(caught, true); +} + +// var declarations +test('var y;return x;'); +test('var y = x;return x;'); +test('var [] = x;return x;'); +test('var [, ] = x;return x;'); +test('var [, , , , ] = x;return x;'); +test('var x = x;return x;'); +test('var y = y;return "" + y;', 'unicorns', 'undefined'); +test('var x = eval("x");return x;'); +test('var X = x + 1, y = x;return y;'); +test('var X = x + 1, [] = X, [[, , ]] = X, y = x;return y;'); +test('var [{a: X}] = x, [, {b: y}] = x;var X = X + 1, y = y + 2;return X + y;', [{a:"p"},{b:"p"}], "p1p2"); +test('var [x] = [x];return x;'); +test('var [[a, [b, c]]] = [[x, []]];return a;'); +test('var [y] = [x];return y;'); +test('var [a] = (1, [x]);return a;'); +test('var [a] = (1, x, 1, x);return a;', ['ponies']); +test('var [x, y] = [x, x + 1];return x + y;', 1, 3); +test('var [x, y, z] = [x, x + 1, x + 2];return x + y + z;', 1, 6); +test('var [[x]] = [[x]];return x;'); +test('var [x, y] = [x, x + 1];return x;'); +test('var [x, [y, z]] = [x, x + 1];return x;'); +test('var [{x: [x]}, {y1: y, z1: z}] = [x, x + 1];return x;',{x:['ponies']}); +test('if (x) {var y = x;return x;}'); +test('if (x) {y = x;var y = y;return y;}'); +test('if (x) {var z = y;var [y] = x;z += y;}return z;', ['-'], 'undefined-'); + +// let declaration in context +test('if (x) {let y;return x;}'); +test('if (x) {let x;return "" + x;}', 'unicorns', 'undefined'); +test('if (x) {let y = x;return x;}'); +test('if (x) {let y = x;return x;}'); +test('if (x) {let [] = x;return x;}'); +test('if (x) {let [, ] = x;return x;}'); +test('if (x) {let [, , , , ] = x;return x;}'); +test('if (x) {let X = x + 1, y = x;return y;}'); +test('if (x) {let X = x + 1, [] = X, [[, , ]] = X, y = x;return y;}'); +test('if (x) {let [{a: X}] = x, [, {b: Y}] = x;var XX = X + 1, YY = Y + 2;return XX + YY;}', [{a:"p"},{b:"p"}], "p1p2"); +test('if (x) {let [[a, [b, c]]] = [[x, []]];return a;}'); +test('if (x) {let [X] = [x];return X;}'); +test('if (x) {let [y] = [x];return y;}'); +test('if (x) {let [a] = (1, [x]);return a;}'); +test('if (x) {let [a] = (1, x, 1, x);return a;}', ['ponies']); +test('if (x) {let [X, y] = [x, x + 1];return X + y;}', 1, 3); +test('if (x) {let [X, y, z] = [x, x + 1, x + 2];return X + y + z;}', 1, 6); +test('if (x) {let [[X]] = [[x]];return X;}'); +test('if (x) {let [X, y] = [x, x + 1];return X;}'); +test('if (x) {let [X, [y, z]] = [x, x + 1];return X;}'); +test('if (x) {let [{x: [X]}, {y1: y, z1: z}] = [x, x + 1];return X;}',{x:['ponies']}); +test('if (x) {let y = x;try {let x = 1;throw 2;} catch (e) {return y;}}'); +test('try {let x = 1;throw 2;} catch (e) {return x;}'); +test('x.foo;{let y = x;return y;}'); +test('x.foo;if (x) {x.bar;let y = x;return y;}'); +test('if (x) {let y = x;return function () {return eval("y");}();}'); +test('return eval("let y = x; y");'); +isRuntimeParseError('if (x) {let y = x;eval("var y = 2");return y;}', 'ponies'); +test('"use strict";if (x) {let y = x;eval("var y = 2");return y;}'); +test('"use strict";if (x) {let y = x;eval("let y = 2");return y;}'); +test('"use strict";if (x) {let y = 1;return eval("let y = x;y;");}'); +test('this.y = x;if (x) {let y = 1;return this.eval("y");}'); + +// for(;;) +test('for (;;) {return x;}'); +test('for (let y = 1;;) {return x;}'); +test('for (let y = 1;; ++y) {return x;}'); +test('for (let y = 1; ++y;) {return x;}'); +test('for (let [[a, [b, c]]] = [[x, []]];;) {return a;}'); +test('var sum = 0;for (let y = x; y < 4; ++y) {sum += y;}return sum;', 1, 6); +test('var sum = 0;for (let x = 1; eval("x") < 4; ++x) {sum += eval("x");}return sum;', 1, 6); +test('for (var y = 1;;) {return x;}'); +test('for (var y = 1;; ++y) {return x;}'); +test('for (var y = 1; ++y;) {return x;}'); +test('for (var X = 1, [y, z] = x, a = x; z < 4; ++z) {return X + y;}', [2,3], 3); +test('var sum = 0;for (var y = x; y < 4; ++y) {sum += y;}return sum;', 1, 6); +test('var sum = 0;for (var X = x, y = 10; X < 4; ++X) {sum += X;}return sum;', 1, 6); +test('var sum = 0;for (var X = x; X < 4; ++X) {sum += X;}return x;', 1, 1); +test('var sum = 0;for (var X = eval("x"); X < 4; ++X) {sum += X;}return sum;', 1, 6); +test('var sum = 0;for (var X = x; eval("X") < 4; ++X) {sum += eval("X");}return sum;', 1, 6); +test('var sum = 0;for (var X = eval("x"); eval("X") < 4; ++X) {sum += eval("X");}return sum;', 1, 6); +test('for (let y = x;;) {let x;return y;}'); +test('for (let y = x;;) {let y;return x;}'); +test('for (let y;;) {let y;return x;}'); +test('for (let a = x;;) {let c = x, d = x;return c;}'); +test('for (let [a, b] = x;;) {let c = x, d = x;return c;}'); +test('for (let [a] = (1, [x]);;) {return a;}'); +test('for (let [a] = (1, x, 1, x);;) {return a;}', ['ponies']); +isParseError('for (let x = 1, x = 2;;) {}'); +isParseError('for (let [x, y] = a, {a:x} = b;;) {}'); +isParseError('for (let [x, y, x] = a;;) {}'); +isParseError('for (let [x, [y, [x]]] = a;;) {}'); + +// for(in) +test('for (let i in x) {return x;}'); +test('for (let i in x) {let y;return x;}'); +test('for (let i in x) {let i = x;return i;}'); +test('var s = "";for (let a in x) {for (let b in x) {s += a + b;}}return s;', [1,2], '00011011'); +test('var res = "";for (let i in x) {res += x[i];}return res;'); +test('var res = "";for (var i in x) {res += x[i];}return res;'); +isParseError('for ((let (x = {y: true}) x).y in eval("x")) {return eval("x");}'); +test('for (let i in x) {break;}return x;'); +test('for (let i in x) {break;}return eval("x");'); +test('a:for (let i in x) {for (let j in x) {break a;}}return x;'); +test('a:for (let i in x) {for (let j in x) {break a;}}return eval("x");'); +test('var j;for (let i in x) {j = i;break;}return j;', {ponies:true}); +isParseError('for (let [x, x] in o) {}'); +isParseError('for (let [x, y, x] in o) {}'); +isParseError('for (let [x, [y, [x]]] in o) {}'); + +// for(let ... in ...) scoping bugs (bug 1069480) +isReferenceError('for (let x in eval("x")) {return x;}', {ponies:true}, undefined); +isReferenceError('for (let x in x) {return eval("x");}', {ponies:true}, undefined); +isReferenceError('for (let x in eval("x")) {return eval("x");}', {ponies:true}, undefined); +isReferenceError('for (let x in x) {break;}return x;'); +isReferenceError('for (let x in x) {break;}return eval("x");'); +isReferenceError('for (let x in eval("throw x")) {}', undefined, undefined); + +// don't forget about switch craziness +test('var y = 3;switch (function () {return eval("y");}()) {case 3:let y;return x;default:;}'); +test('switch (x) {case 3:let y;return 3;case 4:let z;return 4;default:return x;}'); +isParseError('switch (x) {case 3:let y;return 3;case 4:let y;return 4;default:;}'); + +// TDZ checks +isReferenceError('x + 1; let x = 42;'); +isReferenceError('x = 42; let x;'); +isReferenceError('inner(); function inner() { x++; } let x;'); +isReferenceError('inner(); let x; function inner() { x++; }'); +isReferenceError('inner(); let x; function inner() { function innerer() { x++; } innerer(); }'); +isReferenceError('let x; var inner = function () { y++; }; inner(); let y;'); +isReferenceError('let x = x;'); +isReferenceError('let [x] = [x];'); +isReferenceError('let {x} = {x:x};'); +isReferenceError('switch (x) {case 3:let x;break;default:if (x === undefined) {return "ponies";}}'); +isReferenceError('let x = function() {} ? x() : function() {}'); +isReferenceError('(function() { let x = (function() { return x }()); }())'); +isReferenceError('var sum = 0;for (let x = x, y = 10; x < 4; ++x) {sum += x;}return sum;'); +isReferenceError('var sum = 0;for (let x = x; x < 4; ++x) {sum += x;}return x;'); +isReferenceError('var sum = 0;for (let x = eval("x"); x < 4; ++x) {sum += x;}return sum;'); +isReferenceError('var sum = 0;for (let x = x; eval("x") < 4; ++x) {sum += eval("x");}return sum;'); +isReferenceError('var sum = 0;for (let x = eval("x"); eval("x") < 4; ++x) {sum += eval("x");}return sum;'); +isReferenceError('for (let x = eval("throw x");;) {}'); +isReferenceError('for (let x = x + "s"; eval("throw x");) {}'); + +// redecl with function statements +isParseError('let a; function a() {}'); |