1 files changed, 19 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/self-hosting/get-intrinsic.js b/js/src/jit-test/tests/self-hosting/get-intrinsic.js
new file mode 100644
index 0000000000..8cff55a5cd
--- /dev/null
+++ b/js/src/jit-test/tests/self-hosting/get-intrinsic.js
@@ -0,0 +1,19 @@
+
+var intrinsic_names = [
+    "IsConstructor",    // Implementation in C++
+    "ArrayMap",         // Implementation in JS
+    "localeCache",      // Self-hosting variable
+];
+
+for (var name of intrinsic_names) {
+    // GetIntrinsic in same global should have consistent values
+    assertEq(getSelfHostedValue(name), getSelfHostedValue(name));
+
+    // Different globals shouldn't reuse intrinsics.
+    for (var newCompartment of [true, false]) {
+        let g = newGlobal({newCompartment});
+        let a = evaluate(`getSelfHostedValue("${name}")`, { global: g })
+        let b = getSelfHostedValue(name);
+        assertEq(a === b, false);
+    }
+}