test

node_modules/is-accessor-descriptor/test/index.js

@@ -0,0 +1,62 @@
+'use strict';
+
+var test = require('tape');
+var isDescriptor = require('../');
+var noop = function () {};
+
+test('isDescriptor', function (t) {
+	t.test('value type', function (st) {
+		st.notOk(isDescriptor('a'), 'string is not a descriptor');
+		st.notOk(isDescriptor(null), 'null is not a descriptor');
+		st.notOk(isDescriptor([]), 'Array is not a descriptor');
+
+		st.end();
+	});
+
+	t.test('is false when the object has data descriptor properties:', function (st) {
+		st.notOk(isDescriptor({ get: noop, writable: true }));
+		st.notOk(isDescriptor({ get: noop, value: true }));
+
+		st.end();
+	});
+
+	t.test('is not false when unrecognized properties are defined:', function (st) {
+		st.ok(isDescriptor({ get: noop, foo: true }));
+		st.ok(isDescriptor({ get: noop, bar: true }));
+
+		st.end();
+	});
+
+	t.test('is false when a get or set are not functions:', function (st) {
+		st.notOk(isDescriptor({ get: noop, set: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo', set: noop }));
+		st.notOk(isDescriptor({ get: 'foo', bar: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo', set: 'baz' }));
+		st.notOk(isDescriptor({ get: 'foo' }));
+
+		st.end();
+	});
+
+	t.test('is true when "get" is not defined:', function (st) {
+		st.ok(isDescriptor({ set: noop }));
+
+		st.end();
+	});
+
+	t.test('is true when the object has valid properties:', function (st) {
+		st.ok(isDescriptor({ get: noop, set: noop }));
+		st.ok(isDescriptor({ get: noop }));
+
+		st.end();
+	});
+
+	t.test('is false when a value is not the correct type:', function (st) {
+		st.notOk(isDescriptor({ get: noop, set: noop, enumerable: 'foo' }));
+		st.notOk(isDescriptor({ set: noop, configurable: 'foo' }));
+		st.notOk(isDescriptor({ get: noop, configurable: 'foo' }));
+
+		st.end();
+	});
+
+	t.end();
+});