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1 files changed, 41 insertions, 0 deletions

diff --git a/client/src/test/diagnostics.test.ts b/client/src/test/diagnostics.test.ts
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+++ b/client/src/test/diagnostics.test.ts
@@ -0,0 +1,41 @@
+/* --------------------------------------------------------------------------------------------
+ * Copyright (c) Microsoft Corporation. All rights reserved.
+ * Licensed under the MIT License. See License.txt in the project root for license information.
+ * ------------------------------------------------------------------------------------------ */
+
+import * as vscode from 'vscode';
+import * as assert from 'assert';
+import { getDocUri, activate } from './helper';
+
+suite('Should get diagnostics', () => {
+	const docUri = getDocUri('diagnostics.txt');
+
+	test('Diagnoses uppercase texts', async () => {
+		await testDiagnostics(docUri, [
+			{ message: 'ANY is all uppercase.', range: toRange(0, 0, 0, 3), severity: vscode.DiagnosticSeverity.Warning, source: 'ex' },
+			{ message: 'ANY is all uppercase.', range: toRange(0, 14, 0, 17), severity: vscode.DiagnosticSeverity.Warning, source: 'ex' },
+			{ message: 'OS is all uppercase.', range: toRange(0, 18, 0, 20), severity: vscode.DiagnosticSeverity.Warning, source: 'ex' }
+		]);
+	});
+});
+
+function toRange(sLine: number, sChar: number, eLine: number, eChar: number) {
+	const start = new vscode.Position(sLine, sChar);
+	const end = new vscode.Position(eLine, eChar);
+	return new vscode.Range(start, end);
+}
+
+async function testDiagnostics(docUri: vscode.Uri, expectedDiagnostics: vscode.Diagnostic[]) {
+	await activate(docUri);
+
+	const actualDiagnostics = vscode.languages.getDiagnostics(docUri);
+
+	assert.equal(actualDiagnostics.length, expectedDiagnostics.length);
+
+	expectedDiagnostics.forEach((expectedDiagnostic, i) => {
+		const actualDiagnostic = actualDiagnostics[i];
+		assert.equal(actualDiagnostic.message, expectedDiagnostic.message);
+		assert.deepEqual(actualDiagnostic.range, expectedDiagnostic.range);
+		assert.equal(actualDiagnostic.severity, expectedDiagnostic.severity);
+	});
+}
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