From e31ed7dcec6d7dd2e31a17775b57a6c77c169503 Mon Sep 17 00:00:00 2001
From: Jonathan Haines <jonno.haines@gmail.com>
Date: Wed, 21 Feb 2024 08:27:38 +1100
Subject: [PATCH] add failing test

---
 .../core/__tests__/config/load-config.test.ts | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/packages/core/__tests__/config/load-config.test.ts b/packages/core/__tests__/config/load-config.test.ts
index 637592949..809fad7a4 100644
--- a/packages/core/__tests__/config/load-config.test.ts
+++ b/packages/core/__tests__/config/load-config.test.ts
@@ -51,4 +51,39 @@ describe('Config: loadConfig', () => {
     expect(config.environment.getConfiguredTemplateTags()).toEqual({ test: {} });
     expect(config.checkStandaloneTemplates).toBe(false);
   });
+
+  test('loads config with extends array', () => {
+    fs.writeFileSync(
+      `${testDir}/tsconfig-first.json`,
+      JSON.stringify({
+        glint: {
+          environment: 'first',
+          checkStandaloneTemplates: false,
+        },
+      })
+    );
+
+    fs.writeFileSync(
+      `${testDir}/tsconfig-second.json`,
+      JSON.stringify({
+        glint: {
+          environment: 'second',
+          checkStandaloneTemplates: false,
+        },
+      })
+    );
+
+    fs.writeFileSync(
+      `${testDir}/tsconfig.json`,
+      JSON.stringify({
+        extends: ['./tsconfig-first.json', './tsconfig-second.json'],
+      })
+    );
+
+    let config = loadConfig(testDir);
+
+    expect(config.rootDir).toBe(normalizePath(`${testDir}/deeply`));
+    expect(config.environment.getConfiguredTemplateTags()).toEqual({ test: {} });
+    expect(config.checkStandaloneTemplates).toBe(false);
+  });
 });