Add tests for supported chart types

Author: kgryte

lib/node_modules/@stdlib/plot/sparklines/unicode/test/test.main.js

@@ -440,17 +440,84 @@ tape( 'an instance has a `render` method for rendering a chart', function test(
 	str = chart.render();
 	t.strictEqual( str, '▁█▅▃▆▆▅', 'returns rendered chart' );
 
-	chart.type = 'column';
+	t.end();
+});
+
+tape( 'an instance supports rendering a column chart', function test( t ) {
+	var chart;
+	var str;
+
+	chart = new UnicodeSparkline({
+		'type': 'column'
+	});
+	chart.data = [ 1.0, 5.0, 3.0, 2.0, 4.0, 4.0, 3.0 ];
+
 	str = chart.render();
 	t.strictEqual( str, '▁█▅▃▆▆▅', 'returns rendered chart' );
 
-	chart.type = 'line';
+	t.end();
+});
+
+tape( 'an instance supports rendering a line chart', function test( t ) {
+	var chart;
+	var str;
+
+	chart = new UnicodeSparkline({
+		'type': 'line'
+	});
+	chart.data = [ 1.0, 5.0, 3.0, 2.0, 4.0, 4.0, 3.0 ];
+
 	str = chart.render();
 	t.strictEqual( str, '⡈⠑⠢⠔⠒⠒⠒', 'returns rendered chart' );
 
 	t.end();
 });
 
+tape( 'an instance supports rendering a tristate chart', function test( t ) {
+	var chart;
+	var str;
+
+	chart = new UnicodeSparkline({
+		'type': 'tristate'
+	});
+	chart.data = [ -1, 1, 0, 0, 1, -1, -1, 1 ];
+
+	str = chart.render();
+	t.strictEqual( str, '▄▀──▀▄▄▀', 'returns rendered chart' );
+
+	t.end();
+});
+
+tape( 'an instance supports rendering an up/down chart', function test( t ) {
+	var chart;
+	var str;
+
+	chart = new UnicodeSparkline({
+		'type': 'up-down'
+	});
+	chart.data = [ -1, 1, 1, 1, 1, -1, -1, 1 ];
+
+	str = chart.render();
+	t.strictEqual( str, '↓↑↑↑↑↓↓↑', 'returns rendered chart' );
+
+	t.end();
+});
+
+tape( 'an instance supports rendering a win/loss chart', function test( t ) {
+	var chart;
+	var str;
+
+	chart = new UnicodeSparkline({
+		'type': 'win-loss'
+	});
+	chart.data = [ -2, 1, 2, 2, 1, -1, -1, 1, -2, -2, 2, 2, -2 ];
+
+	str = chart.render();
+	t.strictEqual( str, '┌╵└┴╵╷╷╵┌┬┴┴┬', 'returns rendered chart' );
+
+	t.end();
+});
+
 tape( 'if a chart has not been provided data, the render method returns an empty string', function test( t ) {
 	var chart;
 	var str;