1 files changed, 42 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/cacheir/fun-apply-as-call-scripted-1.js b/js/src/jit-test/tests/cacheir/fun-apply-as-call-scripted-1.js
new file mode 100644
index 0000000000..a0227ba81a
--- /dev/null
+++ b/js/src/jit-test/tests/cacheir/fun-apply-as-call-scripted-1.js
@@ -0,0 +1,42 @@
+// Function.prototype.apply is inlined as Function.prototype.call when it's
+// called with less than two arguments.
+//
+// Test monomorphic calls.
+
+function one() {
+  return 1;
+}
+
+function testThisAbsent() {
+  for (let i = 0; i < 200; ++i) {
+    let r = one.apply();
+    assertEq(r, 1);
+  }
+}
+for (let i = 0; i < 2; ++i) testThisAbsent();
+
+function test0() {
+  for (let i = 0; i < 200; ++i) {
+    let r = one.apply(null);
+    assertEq(r, 1);
+  }
+}
+for (let i = 0; i < 2; ++i) test0();
+
+// NOTE: We don't yet inline the case when the second argument is |null|.
+function test1Null() {
+  for (let i = 0; i < 200; ++i) {
+    let r = one.apply(null, null);
+    assertEq(r, 1);
+  }
+}
+for (let i = 0; i < 2; ++i) test1Null();
+
+// NOTE: We don't yet inline the case when the second argument is |undefined|.
+function test1Undefined() {
+  for (let i = 0; i < 200; ++i) {
+    let r = one.apply(null, undefined);
+    assertEq(r, 1);
+  }
+}
+for (let i = 0; i < 2; ++i) test1Undefined();