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Diffstat (limited to 'src/node_modules/call-bind/test/index.js')
-rw-r--r--src/node_modules/call-bind/test/index.js52
1 files changed, 52 insertions, 0 deletions
diff --git a/src/node_modules/call-bind/test/index.js b/src/node_modules/call-bind/test/index.js
new file mode 100644
index 0000000..2b79974
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+++ b/src/node_modules/call-bind/test/index.js
@@ -0,0 +1,52 @@
+'use strict';
+
+var callBind = require('../');
+
+var test = require('tape');
+
+test('callBind', function (t) {
+ var sentinel = { sentinel: true };
+ var func = function (a, b) {
+ // eslint-disable-next-line no-invalid-this
+ return [this, a, b];
+ };
+ t.deepEqual(func(), [undefined, undefined, undefined], 'unbound func with too few args');
+ t.deepEqual(func(1, 2), [undefined, 1, 2], 'unbound func with right args');
+ t.deepEqual(func(1, 2, 3), [undefined, 1, 2], 'unbound func with too many args');
+
+ var bound = callBind(func);
+ t.deepEqual(bound(), [undefined, undefined, undefined], 'bound func with too few args');
+ t.deepEqual(bound(1, 2), [1, 2, undefined], 'bound func with right args');
+ t.deepEqual(bound(1, 2, 3), [1, 2, 3], 'bound func with too many args');
+
+ var boundR = callBind(func, sentinel);
+ t.deepEqual(boundR(), [sentinel, undefined, undefined], 'bound func with receiver, with too few args');
+ t.deepEqual(boundR(1, 2), [sentinel, 1, 2], 'bound func with receiver, with right args');
+ t.deepEqual(boundR(1, 2, 3), [sentinel, 1, 2], 'bound func with receiver, with too many args');
+
+ var boundArg = callBind(func, sentinel, 1);
+ t.deepEqual(boundArg(), [sentinel, 1, undefined], 'bound func with receiver and arg, with too few args');
+ t.deepEqual(boundArg(2), [sentinel, 1, 2], 'bound func with receiver and arg, with right arg');
+ t.deepEqual(boundArg(2, 3), [sentinel, 1, 2], 'bound func with receiver and arg, with too many args');
+
+ t.test('callBind.apply', function (st) {
+ var aBound = callBind.apply(func);
+ st.deepEqual(aBound(sentinel), [sentinel, undefined, undefined], 'apply-bound func with no args');
+ st.deepEqual(aBound(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+ st.deepEqual(aBound(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+
+ var aBoundArg = callBind.apply(func);
+ st.deepEqual(aBoundArg(sentinel, [1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with too many args');
+ st.deepEqual(aBoundArg(sentinel, [1, 2], 4), [sentinel, 1, 2], 'apply-bound func with right args');
+ st.deepEqual(aBoundArg(sentinel, [1], 4), [sentinel, 1, undefined], 'apply-bound func with too few args');
+
+ var aBoundR = callBind.apply(func, sentinel);
+ st.deepEqual(aBoundR([1, 2, 3], 4), [sentinel, 1, 2], 'apply-bound func with receiver and too many args');
+ st.deepEqual(aBoundR([1, 2], 4), [sentinel, 1, 2], 'apply-bound func with receiver and right args');
+ st.deepEqual(aBoundR([1], 4), [sentinel, 1, undefined], 'apply-bound func with receiver and too few args');
+
+ st.end();
+ });
+
+ t.end();
+});