1 files changed, 28 insertions, 0 deletions
diff --git a/test/constant.js b/test/constant.js
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+var async = require('../lib');
+var expect = require('chai').expect;
+
+describe('constant', function () {
+
+    it('basic usage', function(done){
+        var f = async.constant(42, 1, 2, 3);
+        f(function (err, value, a, b, c) {
+            expect(err).to.equal(null);
+            expect(value).to.equal(42);
+            expect(a).to.equal(1);
+            expect(b).to.equal(2);
+            expect(c).to.equal(3);
+            done();
+        });
+    });
+
+    it('called with multiple arguments', function(done){
+        var f = async.constant(42, 1, 2, 3);
+        f('argument to ignore', 'another argument', function (err, value, a) {
+            expect(err).to.equal(null);
+            expect(value).to.equal(42);
+            expect(a).to.equal(1);
+            done();
+        });
+    });
+
+});