diff options
Diffstat (limited to '')
| -rw-r--r-- | node_modules/call-bind-apply-helpers/test/index.js | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/node_modules/call-bind-apply-helpers/test/index.js b/node_modules/call-bind-apply-helpers/test/index.js new file mode 100644 index 0000000..1cdc89e --- /dev/null +++ b/node_modules/call-bind-apply-helpers/test/index.js @@ -0,0 +1,63 @@ +'use strict'; + +var callBind = require('../'); +var hasStrictMode = require('has-strict-mode')(); +var forEach = require('for-each'); +var inspect = require('object-inspect'); +var v = require('es-value-fixtures'); + +var test = require('tape'); + +test('callBindBasic', function (t) { + forEach(v.nonFunctions, function (nonFunction) { + t['throws']( + // @ts-expect-error + function () { callBind([nonFunction]); }, + TypeError, + inspect(nonFunction) + ' is not a function' + ); + }); + + var sentinel = { sentinel: true }; + /** @type {<T, A extends number, B extends number>(this: T, a: A, b: B) => [T | undefined, A, B]} */ + var func = function (a, b) { + // eslint-disable-next-line no-invalid-this + return [!hasStrictMode && this === global ? undefined : this, a, b]; + }; + t.equal(func.length, 2, 'original function length is 2'); + + /** type {(thisArg: unknown, a: number, b: number) => [unknown, number, number]} */ + var bound = callBind([func]); + /** type {((a: number, b: number) => [typeof sentinel, typeof a, typeof b])} */ + var boundR = callBind([func, sentinel]); + /** type {((b: number) => [typeof sentinel, number, typeof b])} */ + var boundArg = callBind([func, sentinel, /** @type {const} */ (1)]); + + // @ts-expect-error + t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with no args'); + + // @ts-expect-error + t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args'); + // @ts-expect-error + t.deepEqual(bound(1, 2), [hasStrictMode ? 1 : Object(1), 2, undefined], 'bound func too few args'); + // @ts-expect-error + t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args'); + // @ts-expect-error + t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args'); + + t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args'); + t.deepEqual(bound(1, 2, 3), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with right args'); + t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args'); + t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg'); + + // @ts-expect-error + t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args'); + // @ts-expect-error + t.deepEqual(bound(1, 2, 3, 4), [hasStrictMode ? 1 : Object(1), 2, 3], 'bound func with too many args'); + // @ts-expect-error + t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args'); + // @ts-expect-error + t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args'); + + t.end(); +}); |