From 8162f8c58f5111886e71174666d2f11e278b444e Mon Sep 17 00:00:00 2001
From: Liviu Rau <liviurau@chromium.org>
Date: Fri, 27 Oct 2023 09:48:09 -0700
Subject: [PATCH] [test262] Add set method tests to staging

Reland https://crrev.com/c/4913993

This CL adds three tests from test methods tests to staging
directory with correct format.

Bug: v8:13556
Change-Id: I93817eb84e077436071dbae98bc800dd58851f91
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/4983674
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Liviu Rau <liviurau@google.com>
Cr-Commit-Position: refs/heads/main@{#90645}
---
 features.txt                                  |  4 +++
 .../set-intersect-other-is-set-like.js        | 31 +++++++++++++++++++
 .../set-intersection-other-is-map.js          | 24 ++++++++++++++
 .../set-intersection-other-is-set.js          | 24 ++++++++++++++
 4 files changed, 83 insertions(+)
 create mode 100644 test/staging/set-methods/set-intersect-other-is-set-like.js
 create mode 100644 test/staging/set-methods/set-intersection-other-is-map.js
 create mode 100644 test/staging/set-methods/set-intersection-other-is-set.js

diff --git a/features.txt b/features.txt
index 495fb466c0..692cbf9bcc 100644
--- a/features.txt
+++ b/features.txt
@@ -263,3 +263,7 @@ __setter__
 
 IsHTMLDDA
 host-gc-required
+
+# Set methods
+# https://github.com/tc39/proposal-set-methods
+set-methods
diff --git a/test/staging/set-methods/set-intersect-other-is-set-like.js b/test/staging/set-methods/set-intersect-other-is-set-like.js
new file mode 100644
index 0000000000..168b2fa2b4
--- /dev/null
+++ b/test/staging/set-methods/set-intersect-other-is-set-like.js
@@ -0,0 +1,31 @@
+// Copyright (C) 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: test intersection method when `other` is a set-like.
+features: [set-methods]
+includes: [compareArray.js]
+---*/
+
+const SetLike = {
+    arr: [42, 43, 45],
+    size: 3,
+        keys() {
+            return this.arr[Symbol.iterator]();
+        },
+        has(key) {
+            return this.arr.indexOf(key) != -1;
+        }
+    };
+
+const firstSet = new Set();
+firstSet.add(42);
+firstSet.add(43);
+
+const resultSet = new Set();
+resultSet.add(42);
+resultSet.add(43);
+
+const resultArray = Array.from(resultSet);
+const intersectionArray = Array.from(firstSet.intersection(SetLike));
+
+assert.compareArray(resultArray, intersectionArray);
diff --git a/test/staging/set-methods/set-intersection-other-is-map.js b/test/staging/set-methods/set-intersection-other-is-map.js
new file mode 100644
index 0000000000..9ea6ea8217
--- /dev/null
+++ b/test/staging/set-methods/set-intersection-other-is-map.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: test intersection method when `other` is a map.
+features: [set-methods]
+includes: [compareArray.js]
+---*/
+
+const firstSet = new Set();
+firstSet.add(42);
+firstSet.add(43);
+
+const other = new Map();
+other.set(42);
+other.set(46);
+other.set(47);
+
+const resultSet = new Set();
+resultSet.add(42);
+
+const resultArray = Array.from(resultSet);
+const intersectionArray = Array.from(firstSet.intersection(other));
+
+assert.compareArray(resultArray, intersectionArray);
diff --git a/test/staging/set-methods/set-intersection-other-is-set.js b/test/staging/set-methods/set-intersection-other-is-set.js
new file mode 100644
index 0000000000..b9f2201906
--- /dev/null
+++ b/test/staging/set-methods/set-intersection-other-is-set.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2023 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+description: test intersection method when `other` is a set.
+features: [set-methods]
+includes: [compareArray.js]
+---*/
+
+const firstSet = new Set();
+firstSet.add(42);
+firstSet.add(43);
+firstSet.add(44);
+
+const otherSet = new Set();
+otherSet.add(42);
+otherSet.add(45);
+
+const resultSet = new Set();
+resultSet.add(42);
+
+const resultArray = Array.from(resultSet);
+const intersectionArray = Array.from(firstSet.intersection(otherSet));
+
+assert.compareArray(resultArray, intersectionArray);