From 435dcc9f6ec07f4d63bea6492acdd150e68b46c5 Mon Sep 17 00:00:00 2001
From: Kevin Gibbons <bakkot@gmail.com>
Date: Tue, 12 Mar 2024 11:34:59 -0700
Subject: [PATCH] tests for Math.f16round

---
 features.txt                                  |  4 +++
 test/built-ins/Math/f16round/length.js        | 17 +++++++++++++
 test/built-ins/Math/f16round/name.js          | 17 +++++++++++++
 .../Math/f16round/not-a-constructor.js        | 17 +++++++++++++
 test/built-ins/Math/f16round/prop-desc.js     | 14 +++++++++++
 .../Math/f16round/value-convertion.js         | 25 +++++++++++++++++++
 6 files changed, 94 insertions(+)
 create mode 100644 test/built-ins/Math/f16round/length.js
 create mode 100644 test/built-ins/Math/f16round/name.js
 create mode 100644 test/built-ins/Math/f16round/not-a-constructor.js
 create mode 100644 test/built-ins/Math/f16round/prop-desc.js
 create mode 100644 test/built-ins/Math/f16round/value-convertion.js

diff --git a/features.txt b/features.txt
index 9b55d6a523..53d7f99485 100644
--- a/features.txt
+++ b/features.txt
@@ -113,6 +113,10 @@ set-methods
 # https://github.com/tc39/proposal-explicit-resource-management
 explicit-resource-management
 
+# Float16Array + Math.f16round
+# https://github.com/tc39/proposal-float16array
+Float16Array
+
 ## Standard language features
 #
 # Language features that have been included in a published version of the
diff --git a/test/built-ins/Math/f16round/length.js b/test/built-ins/Math/f16round/length.js
new file mode 100644
index 0000000000..f3ca88c4ba
--- /dev/null
+++ b/test/built-ins/Math/f16round/length.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.f16round
+description: >
+  Math.f16round.length is 1
+features: [Float16Array]
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(Math.f16round, 'length', {
+  value: 1,
+  enumerable: false,
+  writable: false,
+  configurable: true
+});
diff --git a/test/built-ins/Math/f16round/name.js b/test/built-ins/Math/f16round/name.js
new file mode 100644
index 0000000000..606210f12a
--- /dev/null
+++ b/test/built-ins/Math/f16round/name.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.f16round
+description: >
+  Math.f16round.name is "f16round"
+features: [Float16Array]
+includes: [propertyHelper.js]
+---*/
+
+verifyProperty(Math.f16round, 'name', {
+  value: 'f16round',
+  enumerable: false,
+  writable: false,
+  configurable: true
+});
diff --git a/test/built-ins/Math/f16round/not-a-constructor.js b/test/built-ins/Math/f16round/not-a-constructor.js
new file mode 100644
index 0000000000..4d9cb369cc
--- /dev/null
+++ b/test/built-ins/Math/f16round/not-a-constructor.js
@@ -0,0 +1,17 @@
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-ecmascript-standard-built-in-objects
+description: >
+  Math.f16round does not implement [[Construct]], is not new-able
+features: [Float16Array]
+includes: [isConstructor.js]
+features: [Reflect.construct]
+---*/
+
+assert(!isConstructor(Math.f16round), "Math.f16round is not a constructor");
+
+assert.throws(TypeError, function () {
+  new Math.fround();
+});
diff --git a/test/built-ins/Math/f16round/prop-desc.js b/test/built-ins/Math/f16round/prop-desc.js
new file mode 100644
index 0000000000..10f94d06bd
--- /dev/null
+++ b/test/built-ins/Math/f16round/prop-desc.js
@@ -0,0 +1,14 @@
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.f16round
+description: >
+  "f16round" property of Math
+features: [Float16Array]
+includes: [propertyHelper.js]
+---*/
+
+verifyNotEnumerable(Math, "f16round");
+verifyWritable(Math, "f16round");
+verifyConfigurable(Math, "f16round");
diff --git a/test/built-ins/Math/f16round/value-convertion.js b/test/built-ins/Math/f16round/value-convertion.js
new file mode 100644
index 0000000000..c13b77a05f
--- /dev/null
+++ b/test/built-ins/Math/f16round/value-convertion.js
@@ -0,0 +1,25 @@
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-math.f16round
+description: >
+  Convert to binary16 format and than to binary64 format
+features: [Float16Array]
+includes: [byteConversionValues.js]
+---*/
+
+var values = byteConversionValues.values;
+var expectedValues = byteConversionValues.expected.Float16;
+
+values.forEach(function(value, i) {
+  var expected = expectedValues[i];
+
+  var result = Math.f16round(value);
+
+  assert.sameValue(
+    result,
+    expected,
+    "value: " + value
+  );
+});