| function assert(b, ...m) { |
| if (!b) |
| throw new Error("Bad: ", ...m) |
| } |
| noInline(assert); |
| |
| class Foo extends Array { |
| constructor(...args) { |
| super(...args); |
| } |
| }; |
| function shallowEq(a, b) { |
| assert(a.length === b.length, a, b); |
| for (let i = 0; i < a.length; i++) |
| assert(a[i] === b[i], a, b); |
| } |
| noInline(shallowEq); |
| |
| let tests = [ |
| [[1,2,3,4,5], [1,2,3,4,5], 0, 5], |
| [[1,2,3,4,5], [1,2,3,4,5], 0], |
| [[1,2,3,4,5], [4], -2, -1], |
| [[1,2,3,4,5], [5], -1], |
| [[1,2,3,4,5], [5], -1, 5], |
| [[1,2,3,4,5], [], -10, -20], |
| [[1,2,3,4,5], [], -20, -10], |
| [[1,2,3,4,5], [], 6, 4], |
| [[1,2,3,4,5], [], 3, 2], |
| [[1,2,3,4,5], [4,5], 3, 10], |
| [[1,2,3,4,5], [3,4,5], 2, 10], |
| [[1,2,3,4,5], [1,2,3,4,5], -10, 10], |
| [[1,2,3,4,5], [1,2,3,4,5], -5, 10], |
| [[1,2,3,4,5], [2,3,4,5], -4, 10], |
| ]; |
| |
| function runTest1(a, b) { |
| let result = a.slice(b); |
| assert(a instanceof Foo === result instanceof Foo); |
| return result; |
| } |
| noInline(runTest1); |
| |
| function runTest2(a, b, c) { |
| let result = a.slice(b, c); |
| assert(a instanceof Foo === result instanceof Foo); |
| return result; |
| } |
| noInline(runTest2); |
| |
| function addRandomProperties(input) { |
| for (let i = 0; i < 4; i++) { |
| input["prop" + i + ((Math.random() * 100000) | 0)] = i; |
| } |
| } |
| noInline(addRandomProperties); |
| |
| function runTests() { |
| for (let i = 0; i < 10000; i++) { |
| for (let [input, output, ...args] of tests) { |
| addRandomProperties(input); |
| assert(args.length === 1 || args.length === 2); |
| if (args.length === 1) |
| shallowEq(runTest1(input, args[0]), output); |
| else |
| shallowEq(runTest2(input, args[0], args[1]), output); |
| } |
| } |
| } |
| |
| runTests(); |
| |
| tests.push([new Foo(1,2,3,4,5), [1,2,3,4,5], -10, 10]); |
| tests.push([new Foo(1,2,3,4,5), [1,2,3,4,5], -5, 10]); |
| tests.push([new Foo(1,2,3,4,5), [2,3,4,5], -4, 10]); |
| tests.push([new Foo(1,2,3,4,5), [2,3,4,5], -4]); |
| runTests(); |