wasm-bindgen/tests/wasm/enums.js
Alex Crichton 9224455077 Support Option with custom enums in JS
Find a hole automatically to use a sentinel value for `None`, and then
just wire everything up!

Closes #1198
2019-01-28 14:27:57 -08:00

31 lines
1.0 KiB
JavaScript

const wasm = require('wasm-bindgen-test.js');
const assert = require('assert');
exports.js_c_style_enum = () => {
assert.strictEqual(wasm.Color.Green, 0);
assert.strictEqual(wasm.Color.Yellow, 1);
assert.strictEqual(wasm.Color.Red, 2);
assert.strictEqual(Object.keys(wasm.Color).length, 3);
assert.strictEqual(wasm.enum_cycle(wasm.Color.Green), wasm.Color.Yellow);
};
exports.js_c_style_enum_with_custom_values = () => {
assert.strictEqual(wasm.ColorWithCustomValues.Green, 21);
assert.strictEqual(wasm.ColorWithCustomValues.Yellow, 34);
assert.strictEqual(wasm.ColorWithCustomValues.Red, 2);
assert.strictEqual(Object.keys(wasm.ColorWithCustomValues).length, 3);
assert.strictEqual(wasm.enum_with_custom_values_cycle(wasm.ColorWithCustomValues.Green), wasm.ColorWithCustomValues.Yellow);
};
exports.js_handle_optional_enums = x => wasm.handle_optional_enums(x);
exports.js_expect_enum = (a, b) => {
assert.strictEqual(a, b);
};
exports.js_expect_enum_none = a => {
assert.strictEqual(a, undefined);
};