1 files changed, 83 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js
new file mode 100644
index 0000000000..5f066c3b1d
--- /dev/null
+++ b/js/src/tests/test262/language/statements/class/elements/gen-private-method/yield-spread-arr-multiple.js
@@ -0,0 +1,83 @@
+// This file was procedurally generated from the following sources:
+// - src/generators/yield-spread-arr-multiple.case
+// - src/generators/default/class-decl-private-method.template
+/*---
+description: Use yield value in a array spread position (Generator private method as a ClassDeclaration element)
+esid: prod-GeneratorPrivateMethod
+features: [generators, class-methods-private]
+flags: [generated]
+includes: [compareArray.js]
+info: |
+    ClassElement :
+      PrivateMethodDefinition
+
+    MethodDefinition :
+      GeneratorMethod
+
+    14.4 Generator Function Definitions
+
+    GeneratorMethod :
+      * PropertyName ( UniqueFormalParameters ) { GeneratorBody }
+
+
+    Array Initializer
+
+    SpreadElement[Yield, Await]:
+      ...AssignmentExpression[+In, ?Yield, ?Await]
+
+---*/
+var arr = ['a', 'b', 'c'];
+var item;
+
+var callCount = 0;
+
+class C {
+    *#gen() {
+        callCount += 1;
+        yield [...yield yield];
+    }
+    get gen() { return this.#gen; }
+}
+
+const c = new C();
+
+// Test the private fields do not appear as properties before set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+var iter = c.gen();
+
+iter.next(false);
+item = iter.next(['a', 'b', 'c']);
+item = iter.next(item.value);
+
+assert.compareArray(item.value, arr);
+assert.sameValue(item.done, false);
+
+assert.sameValue(callCount, 1);
+
+// Test the private fields do not appear as properties after set to value
+assert(
+  !Object.prototype.hasOwnProperty.call(C.prototype, "#gen"),
+  "Private field '#gen' does not appear as an own property on C prototype"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(C, "#gen"),
+  "Private field '#gen' does not appear as an own property on C constructor"
+);
+assert(
+  !Object.prototype.hasOwnProperty.call(c, "#gen"),
+  "Private field '#gen' does not appear as an own property on C instance"
+);
+
+reportCompare(0, 0);