From 9dc2b0bba3ca7a94737e2e01cb4143a46206b45b Mon Sep 17 00:00:00 2001
From: Shannon Booth <shannon@serenityos.org>
Date: Fri, 29 Mar 2024 17:48:51 +0100
Subject: [PATCH] LibWeb: Add a basic test for [EnforceRange]

This is a basic test - but does cover the two bugs in the previous
two commits.
---
 .../Text/expected/Wasm/WebAssembly-grow.txt   |  3 +++
 .../Text/input/Wasm/WebAssembly-grow.html     | 19 +++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 Tests/LibWeb/Text/expected/Wasm/WebAssembly-grow.txt
 create mode 100644 Tests/LibWeb/Text/input/Wasm/WebAssembly-grow.html

diff --git a/Tests/LibWeb/Text/expected/Wasm/WebAssembly-grow.txt b/Tests/LibWeb/Text/expected/Wasm/WebAssembly-grow.txt
new file mode 100644
index 00000000000..b8b0bd8b4ce
--- /dev/null
+++ b/Tests/LibWeb/Text/expected/Wasm/WebAssembly-grow.txt
@@ -0,0 +1,3 @@
+Made memory [object WebAssembly.Memory] with buffer [object ArrayBuffer] (byteLength 655360)
+After growing buffer (byteLength 983040)
+Got error: 'RangeError: Number '4294967296' is outside of allowed range of 0 to 4294967295'
diff --git a/Tests/LibWeb/Text/input/Wasm/WebAssembly-grow.html b/Tests/LibWeb/Text/input/Wasm/WebAssembly-grow.html
new file mode 100644
index 00000000000..53f5d612efb
--- /dev/null
+++ b/Tests/LibWeb/Text/input/Wasm/WebAssembly-grow.html
@@ -0,0 +1,19 @@
+<script src="../include.js"></script>
+<script>
+    test(() => {
+        const memory = new WebAssembly.Memory({
+              initial: 10,
+              maximum: 100,
+        });
+
+        println(`Made memory ${memory} with buffer ${memory.buffer} (byteLength ${memory.buffer.byteLength})`);
+        memory.grow(5);
+        println(`After growing buffer (byteLength ${memory.buffer.byteLength})`);
+
+        try {
+            memory.grow(4294967296); // 1 over max value.
+        } catch (e) {
+            println(`Got error: '${e}'`);
+        }
+    });
+</script>