From 4fa52c8d2dfee63d4ff15603deb2dd9c5fde66aa Mon Sep 17 00:00:00 2001
From: rwaldron <waldron.rick@gmail.com>
Date: Tue, 7 Dec 2021 15:27:15 -0500
Subject: [PATCH] test: expected behavior when bigint and number have "same"
 value

---
 .../built-ins/Map/bigint-number-same-value.js | 44 +++++++++++++++++++
 .../built-ins/Set/bigint-number-same-value.js | 44 +++++++++++++++++++
 test/built-ins/Set/valid-values.js            |  2 +-
 3 files changed, 89 insertions(+), 1 deletion(-)
 create mode 100644 test/built-ins/Map/bigint-number-same-value.js
 create mode 100644 test/built-ins/Set/bigint-number-same-value.js

diff --git a/test/built-ins/Map/bigint-number-same-value.js b/test/built-ins/Map/bigint-number-same-value.js
new file mode 100644
index 0000000000..6df9086234
--- /dev/null
+++ b/test/built-ins/Map/bigint-number-same-value.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-map.prototype.set
+description: >
+  Observing the expected behavior of keys when a BigInt and Number have
+  the same value.
+info: |
+  Map.prototype.set ( key , value )
+
+  ...
+  Let p be the Record {[[key]]: key, [[value]]: value}.
+  Append p as the last element of entries.
+  ...
+
+features: [BigInt]
+---*/
+
+const number = 9007199254740991;
+const bigint = 9007199254740991n;
+
+const m = new Map([
+  [number, number],
+  [bigint, bigint],
+]);
+
+assert.sameValue(m.size, 2);
+assert.sameValue(m.has(number), true);
+assert.sameValue(m.has(bigint), true);
+
+assert.sameValue(m.get(number), number);
+assert.sameValue(m.get(bigint), bigint);
+
+m.delete(number);
+assert.sameValue(m.size, 1);
+assert.sameValue(m.has(number), false);
+m.delete(bigint);
+assert.sameValue(m.size, 0);
+assert.sameValue(m.has(bigint), false);
+
+m.set(number, number);
+assert.sameValue(m.size, 1);
+m.set(bigint, bigint);
+assert.sameValue(m.size, 2);
diff --git a/test/built-ins/Set/bigint-number-same-value.js b/test/built-ins/Set/bigint-number-same-value.js
new file mode 100644
index 0000000000..49b8233213
--- /dev/null
+++ b/test/built-ins/Set/bigint-number-same-value.js
@@ -0,0 +1,44 @@
+// Copyright (C) 2021 Rick Waldron. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-set.prototype.add
+description: >
+  Observing the expected behavior of keys when a BigInt and Number have
+  the same value.
+info: |
+  Set.prototype.add ( value )
+
+  ...
+  For each element e of entries, do
+    If e is not empty and SameValueZero(e, value) is true, then
+    Return S.
+  If value is -0, set value to +0.
+  Append value as the last element of entries.
+  ...
+
+features: [BigInt]
+---*/
+
+const number = 9007199254740991;
+const bigint = 9007199254740991n;
+
+const s = new Set([
+  number,
+  bigint,
+]);
+
+assert.sameValue(s.size, 2);
+assert.sameValue(s.has(number), true);
+assert.sameValue(s.has(bigint), true);
+
+s.delete(number);
+assert.sameValue(s.size, 1);
+assert.sameValue(s.has(number), false);
+s.delete(bigint);
+assert.sameValue(s.size, 0);
+assert.sameValue(s.has(bigint), false);
+
+s.add(number);
+assert.sameValue(s.size, 1);
+s.add(bigint);
+assert.sameValue(s.size, 2);
diff --git a/test/built-ins/Set/valid-values.js b/test/built-ins/Set/valid-values.js
index 7bedc9bc43..2f7e6a33c6 100644
--- a/test/built-ins/Set/valid-values.js
+++ b/test/built-ins/Set/valid-values.js
@@ -10,7 +10,7 @@ info: |
   For each element e of entries, do
     If e is not empty and SameValueZero(e, value) is true, then
     Return S.
-  If value is -0𝔽, set value to +0𝔽.
+  If value is -0, set value to +0.
   Append value as the last element of entries.
   ...