8 files changed, 95 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/NaN/15.1.1.1-0.js b/js/src/tests/test262/built-ins/NaN/15.1.1.1-0.js
new file mode 100644
index 0000000000..3240a96e61
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/15.1.1.1-0.js
@@ -0,0 +1,15 @@
+// Copyright (c) 2012 Ecma International.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.1.1.1-0
+description: Global.NaN is a data property with default attribute values (false)
+---*/
+
+var desc = Object.getOwnPropertyDescriptor(this, 'NaN');
+
+assert.sameValue(desc.writable, false, 'desc.writable');
+assert.sameValue(desc.enumerable, false, 'desc.enumerable');
+assert.sameValue(desc.configurable, false, 'desc.configurable');
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A1.js b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A1.js
new file mode 100644
index 0000000000..aa1f65db89
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A1.js
@@ -0,0 +1,11 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es5id: 15.1.1.1_A1
+description: The initial value of NaN is NaN
+---*/
+
+assert(NaN !== NaN);
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A2_T2.js b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A2_T2.js
new file mode 100644
index 0000000000..e771849d4c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A2_T2.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2015 André Bargull. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The NaN is ReadOnly
+es5id: 15.1.1.1_A2_T2
+description: Checking typeof Functions
+flags: [noStrict]
+---*/
+
+// CHECK#1
+NaN = true;
+if (typeof(NaN) === "boolean") {
+  $ERROR('#1: NaN = true; typeof(NaN) !== "boolean". Actual: ' + (typeof(NaN)));
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A3_T2.js b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A3_T2.js
new file mode 100644
index 0000000000..23aafc319e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A3_T2.js
@@ -0,0 +1,16 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The NaN is DontDelete
+es5id: 15.1.1.1_A3_T2
+description: Use delete
+flags: [noStrict]
+---*/
+
+// CHECK#1
+if (delete NaN !== false) {
+  $ERROR('#1: delete NaN === false. Actual: ' + (delete NaN));
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js
new file mode 100644
index 0000000000..143a3f28a0
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/S15.1.1.1_A4.js
@@ -0,0 +1,17 @@
+// Copyright 2009 the Sputnik authors.  All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+info: The NaN is DontEnum
+es5id: 15.1.1.1_A3.2
+description: Use for-in statement
+---*/
+
+// CHECK#1
+for (var prop in this) {
+  if (prop === "NaN") {
+    $ERROR('#1: The NaN is DontEnum');
+  }
+}
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/browser.js b/js/src/tests/test262/built-ins/NaN/browser.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/browser.js
diff --git a/js/src/tests/test262/built-ins/NaN/prop-desc.js b/js/src/tests/test262/built-ins/NaN/prop-desc.js
new file mode 100644
index 0000000000..766daaaf37
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/prop-desc.js
@@ -0,0 +1,19 @@
+// Copyright (C) 2019 Bocoup. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-value-properties-of-the-global-object-nan
+description: Property descriptor of NaN
+info: |
+  This property has the attributes { [[Writable]]: false, [[Enumerable]]:
+  false, [[Configurable]]: false }.
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(this, "NaN", {
+  enumerable: false,
+  writable: false,
+  configurable: false
+});
+
+reportCompare(0, 0);
diff --git a/js/src/tests/test262/built-ins/NaN/shell.js b/js/src/tests/test262/built-ins/NaN/shell.js
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/js/src/tests/test262/built-ins/NaN/shell.js