Add tests

Author: kgryte

lib/node_modules/@stdlib/plot/components/svg/rug/test/test.color.js

@@ -51,6 +51,44 @@ tape( 'an instance throws an error if provided an invalid `color` value', functi
 	}
 });
 
+tape( 'an instance supports setting and getting the property value (string)', function test( t ) {
+	var node;
+
+	node = ctor({
+		'autoRender': false,
+		'color': '#abc'
+	});
+	t.strictEqual( node.color, 'abc', 'returns expected value' );
+
+	node.color = '#cba';
+	t.strictEqual( node.color, '#cba', 'returns expected value' );
+
+	t.end();
+});
+
+tape( 'an instance supports setting and getting the property value (function)', function test( t ) {
+	var node;
+
+	node = ctor({
+		'autoRender': false,
+		'color': color1
+	});
+	t.strictEqual( node.color, color1, 'returns expected value' );
+
+	node.color = color2;
+	t.strictEqual( node.color, color2, 'returns expected value' );
+
+	t.end();
+
+	function color1() {
+		// no-op...
+	}
+
+	function color2() {
+		// no-op...
+	}
+});
+
 tape( 'setting the `color` property triggers a `change` event', function test( t ) {
 	var node = ctor({
 		'color': '#aaa'