Files
test-repo/tests/binary/in.js
T
Christopher Chedeau cf45afba61 Add testing
- This brings in the flow test suite that contains a ton of JavaScript parsing edge cases
- This creates snapshot tests using the pretty printer for all of them
- If uncomment `RUN_AST_TESTS` line in `tests/run_specs.js`, it checks ast(pretty_print(x)) == ast(x). Right now, "178 failed, 197 passed, 375 of 377 total". So half of the tests are not passing, most of them are crashes and many of the rest are subtle issues.
2016-12-23 19:51:53 +00:00

55 lines
985 B
JavaScript

// @flow
let tests = [
// objects on RHS
function() {
('foo' in {});
('foo' in { foo: null });
(0 in {});
(0 in { "0": null });
},
// arrays on RHS
function() {
('foo' in []);
(0 in []);
('length' in []);
},
// primitive classes on RHS
function() {
('foo' in new String('bar'));
('foo' in new Number(123));
},
// primitives on RHS
function() {
('foo' in 123); // error
('foo' in 'bar'); // error
('foo' in void 0); // error
('foo' in null); // error
},
// bogus stuff on LHS
function() {
(null in {}); // error
(void 0 in {}); // error
({} in {}); // error
([] in {}); // error
(false in []); // error
},
// in predicates
function() {
if ('foo' in 123) {} // error
if (!'foo' in {}) {} // error, !'foo' is a boolean
if (!('foo' in {})) {}
},
// annotations on RHS
function(x: Object, y: mixed) {
('foo' in x); // ok
('foo' in y); // error
},
]