"added test.ts"

Author: RiyaChy072

lib/node_modules/@stdlib/math/base/special/cosc/docs/types/test.ts

@@ -0,0 +1,44 @@
+/*
+* @license Apache-2.0
+*
+* Copyright (c) 2019 The Stdlib Authors.
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+
+import cosc = require( './index' );
+
+
+// TESTS //
+
+// The function returns a number...
+{
+	cosc( 8 ); // $ExpectType number
+}
+
+// The compiler throws an error if the function is provided a value other than a number...
+{
+	cosc( true ); // $ExpectError
+	cosc( false ); // $ExpectError
+	cosc( null ); // $ExpectError
+	cosc( undefined ); // $ExpectError
+	cosc( '5' ); // $ExpectError
+	cosc( [] ); // $ExpectError
+	cosc( {} ); // $ExpectError
+	cosc( ( x: number ): number => x ); // $ExpectError
+}
+
+// The compiler throws an error if the function is provided insufficient arguments...
+{
+	cosc(); // $ExpectError
+}