fix issue with setting false (#9611)

src/sql/workbench/test/common/editor/query/gridTableState.test.ts

@@ -0,0 +1,62 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { GridTableState } from 'sql/workbench/common/editor/query/gridTableState';
+import * as assert from 'assert';
+import { isUndefined } from 'vs/base/common/types';
+import { Event } from 'vs/base/common/event';
+
+suite('Grid Table State', () => {
+	test('inital state is correct', () => {
+		const resultId = 0;
+		const batchId = 0;
+		const state = new GridTableState(resultId, batchId);
+
+		assert.equal(state.resultId, resultId);
+		assert.equal(state.batchId, batchId);
+		assert(isUndefined(state.canBeMaximized));
+		assert(isUndefined(state.maximized));
+		assert.equal(state.scrollPositionX, 0);
+		assert.equal(state.scrollPositionY, 0);
+		assert(isUndefined(state.columnSizes));
+		assert(isUndefined(state.selection));
+		assert(isUndefined(state.activeCell));
+	});
+
+	test('does set properties correctly', async () => {
+		const state = new GridTableState(0, 0);
+		let event = await new Promise<boolean>(resolve => {
+			Event.once(state.onCanBeMaximizedChange)(e => resolve(e));
+			state.canBeMaximized = true;
+		});
+
+		assert.equal(event, true);
+		assert.equal(state.canBeMaximized, true);
+
+		event = await new Promise<boolean>(resolve => {
+			Event.once(state.onCanBeMaximizedChange)(e => resolve(e));
+			state.canBeMaximized = false;
+		});
+
+		assert.equal(event, false);
+		assert.equal(state.canBeMaximized, false);
+
+		event = await new Promise<boolean>(resolve => {
+			Event.once(state.onMaximizedChange)(e => resolve(e));
+			state.maximized = true;
+		});
+
+		assert.equal(event, true);
+		assert.equal(state.maximized, true);
+
+		event = await new Promise<boolean>(resolve => {
+			Event.once(state.onMaximizedChange)(e => resolve(e));
+			state.maximized = false;
+		});
+
+		assert.equal(event, false);
+		assert.equal(state.maximized, false);
+	});
+});