Add tests

Author: kgryte

lib/node_modules/@stdlib/array/complex64/test/test.from.js

@@ -50,6 +50,53 @@ tape( 'attached to the main export is a `from` method for creating a complex num
 	t.end();
 });
 
+tape( 'the method throws an error if invoked with `this` context which is not a constructor', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		'5',
+		5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		{},
+		[]
+	];
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			return Complex64Array.from.call( value, [] );
+		};
+	}
+});
+
+tape( 'the method throws an error if invoked with `this` context which is not a complex array constructor', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		Complex64,
+		function noop() {}
+	];
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			return Complex64Array.from.call( value, [] );
+		};
+	}
+});
+
 tape( 'the method throws an error if not provided an iterable or array-like object', function test( t ) {
 	var values;
 	var i;
@@ -130,7 +177,7 @@ tape( 'the method throws an error if not provided an iterable or array-like obje
 
 	function badValue( value ) {
 		return function badValue() {
-			return Complex64Array.from( value, clbk, Complex64Array );
+			return Complex64Array.from( value, clbk, {} );
 		};
 	}
 
@@ -139,6 +186,60 @@ tape( 'the method throws an error if not provided an iterable or array-like obje
 	}
 });
 
+tape( 'the method throws an error if provided a second argument which is not a function', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		'5',
+		5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		{},
+		[]
+	];
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			return Complex64Array.from( [], value );
+		};
+	}
+});
+
+tape( 'the method throws an error if provided a second argument which is not a function (thisArg)', function test( t ) {
+	var values;
+	var i;
+
+	values = [
+		'5',
+		5,
+		NaN,
+		true,
+		false,
+		null,
+		void 0,
+		{},
+		[]
+	];
+	for ( i = 0; i < values.length; i++ ) {
+		t.throws( badValue( values[i] ), TypeError, 'throws an error when provided '+values[i] );
+	}
+	t.end();
+
+	function badValue( value ) {
+		return function badValue() {
+			return Complex64Array.from( [], value, {} );
+		};
+	}
+});
+
 tape( 'the method returns a complex number array', function test( t ) {
 	var arr;
 	var z;