From 0e276cb4f406f5e91b9183dcbb7979c368bc6752 Mon Sep 17 00:00:00 2001
From: MeAkib <akibh805@gmail.com>
Date: Thu, 22 Oct 2026 23:23:43 +0600
Subject: [PATCH] test(@angular/build): add spec for the application
 `clearScreen` option

The `clearScreen` option had no test. Run the application builder in watch mode and check that
`console.clear` is called before a rebuild only when the option is enabled.
---
 .../tests/options/clear-screen_spec.ts        | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 packages/angular/build/src/builders/application/tests/options/clear-screen_spec.ts

diff --git a/packages/angular/build/src/builders/application/tests/options/clear-screen_spec.ts b/packages/angular/build/src/builders/application/tests/options/clear-screen_spec.ts
new file mode 100644
index 000000000000..42da06beeb32
--- /dev/null
+++ b/packages/angular/build/src/builders/application/tests/options/clear-screen_spec.ts
@@ -0,0 +1,43 @@
+/**
+ * @license
+ * Copyright Google LLC All Rights Reserved.
+ *
+ * Use of this source code is governed by an MIT-style license that can be
+ * found in the LICENSE file at https://angular.dev/license
+ */
+
+import { buildApplication } from '../../index';
+import { APPLICATION_BUILDER_INFO, BASE_OPTIONS, describeBuilder } from '../setup';
+
+describeBuilder(buildApplication, APPLICATION_BUILDER_INFO, (harness) => {
+  describe('Option: "clearScreen"', () => {
+    beforeEach(async () => {
+      await harness.writeFile('src/main.ts', 'console.log("TEST");');
+    });
+
+    for (const clearScreen of [true, false]) {
+      it(`should ${clearScreen ? '' : 'not '}clear the screen before a rebuild when ${clearScreen}`, async () => {
+        const clearSpy = spyOn(console, 'clear');
+
+        harness.useTarget('build', {
+          ...BASE_OPTIONS,
+          watch: true,
+          clearScreen,
+        });
+
+        await harness.executeWithCases([
+          async ({ result }) => {
+            expect(result?.success).toBeTrue();
+            expect(clearSpy).not.toHaveBeenCalled();
+
+            await harness.writeFile('src/main.ts', 'console.log("CHANGED");');
+          },
+          ({ result }) => {
+            expect(result?.success).toBeTrue();
+            expect(clearSpy).toHaveBeenCalledTimes(clearScreen ? 1 : 0);
+          },
+        ]);
+      });
+    }
+  });
+});