| |
| function shouldBe(actual, expected) { |
| if (actual !== expected) |
| throw new Error(`expected ${expected} but got ${actual}`); |
| } |
| |
| function shouldThrow(func, errorType, assertionFn) { |
| let error; |
| try { |
| func(); |
| } catch (e) { |
| error = e; |
| } |
| |
| if (!(error instanceof errorType)) |
| throw new Error(`Expected ${errorType.name} but got ${error.name}`); |
| |
| assertionFn(error); |
| } |
| |
| shouldBe((0, eval)("() => { return 1; }")(), 1); |
| |
| shouldThrow( |
| () => { (0, eval)("..") }, |
| SyntaxError, |
| (err) => { |
| shouldBe(String(err), `SyntaxError: Unexpected token '.'`); |
| }); |
| |
| // NOTE: more iterations (like 20000) will trigger a GC/OOM issue on 32-bit devices. |
| for (var i = 0; i < 1000; ++i) { |
| let f = (0, eval)("() => { return 1; }"); |
| shouldBe(f(), 1); |
| } |