From c99afde6ad30753098b81571fda2e8f919ae928a Mon Sep 17 00:00:00 2001
From: Daniel Rosenwasser <DanielRosenwasser@users.noreply.github.com>
Date: Tue, 5 Apr 2022 13:35:21 -0700
Subject: [PATCH] Run API tests with 'strict' and 'exactOptionalProperties'.
 (#48574)

---
 src/testRunner/unittests/publicApi.ts | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/testRunner/unittests/publicApi.ts b/src/testRunner/unittests/publicApi.ts
index 883b979f9c7..2a5581bc93e 100644
--- a/src/testRunner/unittests/publicApi.ts
+++ b/src/testRunner/unittests/publicApi.ts
@@ -17,8 +17,13 @@ describe("unittests:: Public APIs", () => {
             const fs = vfs.createFromFileSystem(Harness.IO, /*ignoreCase*/ false);
             fs.linkSync(`${vfs.builtFolder}/${fileName}`, `${vfs.srcFolder}/${fileName}`);
             const sys = new fakes.System(fs);
-            const host = new fakes.CompilerHost(sys);
-            const result = compiler.compileFiles(host, [`${vfs.srcFolder}/${fileName}`], {});
+            const options: ts.CompilerOptions = {
+                ...ts.getDefaultCompilerOptions(),
+                strict: true,
+                exactOptionalPropertyTypes: true,
+            };
+            const host = new fakes.CompilerHost(sys, options);
+            const result = compiler.compileFiles(host, [`${vfs.srcFolder}/${fileName}`], options);
             assert(!result.diagnostics || !result.diagnostics.length, Harness.Compiler.minimalDiagnosticsToString(result.diagnostics, /*pretty*/ true));
         });
     }