From edbb6e2bdb6ac423c8165a3fa3c3e3d2aab07ea1 Mon Sep 17 00:00:00 2001
From: Joe Savona <joesavona@fb.com>
Date: Thu, 25 May 2023 16:00:35 -0700
Subject: [PATCH] Test case for Array.push on frozen array

Just making sure that we reject this
---
 .../error.invalid-array-push-frozen.expect.md | 21 +++++++++++++++++++
 .../error.invalid-array-push-frozen.js        |  6 ++++++
 2 files changed, 27 insertions(+)
 create mode 100644 compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.expect.md
 create mode 100644 compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.js

diff --git a/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.expect.md b/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.expect.md
new file mode 100644
index 0000000000..0c52830e06
--- /dev/null
+++ b/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.expect.md
@@ -0,0 +1,21 @@
+
+## Input
+
+```javascript
+function Component(props) {
+  const x = [];
+  <div>{x}</div>;
+  x.push(props.value);
+  return x;
+}
+
+```
+
+
+## Error
+
+```
+[ReactForget] InvalidInput: InferReferenceEffects: inferred mutation of known immutable value. Found mutation of $20:TObject<BuiltInArray> (frozen) (4:4)
+```
+          
+      
\ No newline at end of file
diff --git a/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.js b/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.js
new file mode 100644
index 0000000000..3ede9c0463
--- /dev/null
+++ b/compiler/forget/src/__tests__/fixtures/compiler/error.invalid-array-push-frozen.js
@@ -0,0 +1,6 @@
+function Component(props) {
+  const x = [];
+  <div>{x}</div>;
+  x.push(props.value);
+  return x;
+}