add test for fit content resize issue #966

tradingview · Jan 17, 2022 · 24e475c · 24e475c
1 parent 41fd114
commit 24e475c
Showing 1 changed file with 45 additions and 0 deletions.
diff --git a/tests/e2e/graphics/test-cases/time-scale/fit-content-pricescale-changes.js b/tests/e2e/graphics/test-cases/time-scale/fit-content-pricescale-changes.js
@@ -0,0 +1,45 @@
+function generateData(down) {
+	const res = [];
+	const time = new Date(Date.UTC(2018, 0, 1, 0, 0, 0, 0));
+	const points = down ? 1000 : 10000;
+	for (let i = 0; i < points; ++i) {
+		res.push({
+			time: time.getTime() / 1000,
+			value: down ? 1000 - i : i,
+		});
+
+		time.setUTCDate(time.getUTCDate() + 1);
+	}
+	return res;
+}
+
+function runTestCase(container) {
+	const chart = LightweightCharts.createChart(container, {
+		width: 600,
+		height: 300,
+	});
+	chart.applyOptions({
+		timeScale: {
+			fixLeftEdge: true,
+			fixRightEdge: true,
+		},
+	});
+
+	const data1 = generateData(false);
+	const data2 = generateData(true);
+
+	const areaSeries = chart.addAreaSeries();
+	areaSeries.setData(data1);
+	chart.timeScale().fitContent();
+
+	chart.applyOptions({
+		timeScale: {
+			fixLeftEdge: true,
+			fixRightEdge: true,
+		},
+	});
+	chart.removeSeries(areaSeries);
+	chart.addAreaSeries().setData(data2);
+	chart.timeScale().fitContent();
+}
+