1 files changed, 68 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/decorators/getter-setter-decorators.js b/js/src/jit-test/tests/decorators/getter-setter-decorators.js
new file mode 100644
index 0000000000..e3c370f500
--- /dev/null
+++ b/js/src/jit-test/tests/decorators/getter-setter-decorators.js
@@ -0,0 +1,68 @@
+// |jit-test| skip-if: !getBuildConfiguration("decorators")
+
+load(libdir + "asserts.js");
+
+let dec1Called = false;
+
+// This explicitly tests the case where undefined is returned.
+function dec(value, context) {
+  dec1Called = true;
+  // return undefined
+}
+
+function decorate_getter(value, context) {
+  return function() {
+    return 2 * value.call(this);
+  }
+}
+
+function decorate_setter(value, context) {
+  return function(x) {
+    return value.call(this, 2*x);
+  }
+}
+
+function checkDecoratorContext(kind, isPrivate, isStatic, name) {
+  return (value, context) => {
+    assertEq(typeof value.call, "function");
+    assertEq(context.kind, kind);
+    assertEq(typeof context.access, "object");
+    assertEq(context.private, isPrivate);
+    assertEq(context.static, isStatic);
+    assertEq(context.name, name);
+    if (isStatic) {
+      assertEq(typeof context.addInitializer, "undefined");
+    } else {
+      assertEq(typeof context.addInitializer, "function");
+    }
+  }
+}
+
+class C {
+  setter5Value;
+
+  @dec get getter1() { return "unmodified"; }
+  @checkDecoratorContext("getter", false, false, "getter2") get getter2() { }
+  @checkDecoratorContext("getter", false, true, "getter3") static get getter3() { }
+  @checkDecoratorContext("getter", true, false, "#getter4") get #getter4() { }
+  @decorate_getter get getter5() { return 1; }
+
+  @dec set setter1(value) { }
+  @checkDecoratorContext("setter", false, false, "setter2") set setter2(value) { }
+  @checkDecoratorContext("setter", false, true, "setter3") static set setter3(value) { }
+  @checkDecoratorContext("setter", true, false, "#setter4") set #setter4(value) { }
+  @decorate_setter set setter5(value) { this.setter5Value = value; }
+}
+
+let c = new C();
+assertEq(dec1Called, true);
+assertEq(c.getter1, "unmodified");
+assertEq(c.getter5, 2);
+c.setter5 = 1;
+assertEq(c.setter5Value, 2);
+
+assertThrowsInstanceOf(() => {
+  class D {
+    @(() => { return "hello!"; }) get f() { return "unmodified"; }
+  }
+}, TypeError), "Returning a value other than undefined or a callable throws.";