add api test

src/browser/Terminal.test.ts

@@ -80,21 +80,6 @@ describe('Terminal', () => {
         term.clear();
       });
     });
-    it.only('should fire a scroll event when scrollback is cleared', () => {
-      return new Promise<void>(async r => {
-        const marker1 = term.addMarker(0);
-        const marker2 = term.addMarker(1);
-        await term.writeP('\n'.repeat(INIT_ROWS));
-        const marker3= term.addMarker(0);
-        const marker4 = term.addMarker(1);
-        marker1?.onDispose(() => r());
-        marker2?.onDispose(() => r());
-        marker3?.onDispose(() => r());
-        marker4?.onDispose(() => r());
-        term.clear();
-        assert.equal(term.markers.length, 0);
-      });
-    });
     it('should fire a key event after a keypress DOM event', (done) => {
       term.onKey(e => {
         assert.equal(typeof e.key, 'string');

test/api/Terminal.api.ts

@@ -15,7 +15,7 @@ let page: Page;
 const width = 800;
 const height = 600;
 
-describe('API Integration Tests', function(): void {
+describe.only('API Integration Tests', function(): void {
   before(async () => {
     browser = await launchBrowser();
     page = await (await browser.newContext()).newPage();
@@ -559,6 +559,29 @@ describe('API Integration Tests', function(): void {
         assert.equal(await page.evaluate(`window.term.buffer.active.getLine(0).getCell(2).getChars()`), '');
         assert.equal(await page.evaluate(`window.term.buffer.active.getLine(0).getCell(2).getWidth()`), 0);
       });
+
+      it('clearMarkers', async () => {
+        await openTerminal(page, { cols: 5 });
+        await page.evaluate(`
+          window.disposeStack = [];
+          `);
+        await writeSync(page, '\\n\\n\\n\\n');
+        await writeSync(page, '\\n\\n\\n\\n');
+        await writeSync(page, '\\n\\n\\n\\n');
+        await writeSync(page, '\\n\\n\\n\\n');
+        await page.evaluate(`window.term.addMarker(1)`);
+        await page.evaluate(`window.term.addMarker(2)`);
+        await page.evaluate(`window.term.scrollLines(10)`);
+        await page.evaluate(`window.term.addMarker(3)`);
+        await page.evaluate(`window.term.addMarker(4)`);
+        await page.evaluate(`      
+          for (let i = 0; i < window.term.markers.length; ++i) {
+              const marker = window.term.markers[i];
+              marker.onDispose(() => window.disposeStack.push(marker));
+          }`);
+        await page.evaluate(`window.term.clear()`);
+        assert.equal(await page.evaluate(`window.disposeStack.length`), 4);
+      });
     });
 
     it('active, normal, alternate', async () => {