1 files changed, 40 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values.js b/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values.js
new file mode 100644
index 0000000000..51b3b874cd
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values.js
@@ -0,0 +1,40 @@
+// |reftest| shell-option(--enable-float16array) skip-if(!this.hasOwnProperty('Float16Array')||!xulRuntime.shell) -- Float16Array is not enabled unconditionally, requires shell-options
+// Copyright (C) 2024 Kevin Gibbons. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+esid: sec-dataview.prototype.getfloat16
+description: >
+  Return values from Buffer
+features: [Float16Array, DataView.prototype.setUint8]
+---*/
+
+var buffer = new ArrayBuffer(4);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(0, 66); // 01000010
+sample.setUint8(1, 40); // 00101000
+sample.setUint8(2, 64); // 01000000
+sample.setUint8(3, 224); // 11100000
+
+assert.sameValue(sample.getFloat16(0, false), 3.078125, "0, false"); // 01000010 00101000
+assert.sameValue(sample.getFloat16(1, false), 0.033203125, "1, false"); // 00101000 01000000
+assert.sameValue(sample.getFloat16(2, false), 2.4375, "2, false"); // 01000000 11100000
+
+assert.sameValue(sample.getFloat16(0, true), 0.03326416015625, "0, true"); // 00101000 01000010
+assert.sameValue(sample.getFloat16(1, true), 2.078125, "1, true"); // 01000000 00101000
+assert.sameValue(sample.getFloat16(2, true), -544, "2, true"); // 11100000 01000000
+
+sample.setUint8(0, 75); // 01001011
+sample.setUint8(1, 75); // 01001011
+sample.setUint8(2, 76); // 01001100
+sample.setUint8(3, 76); // 01001101
+
+assert.sameValue(sample.getFloat16(0, false), 14.5859375, "0, false"); // 01001011 01001011
+assert.sameValue(sample.getFloat16(1, false), 14.59375, "1, false"); // 01001011 01001100
+assert.sameValue(sample.getFloat16(2, false), 17.1875, "2, false"); // 01001100 01001101
+assert.sameValue(sample.getFloat16(0, true), 14.5859375, "0, true"); // 01001011 01001011
+assert.sameValue(sample.getFloat16(1, true), 17.171875, "1, true"); // 01001100 01001011
+assert.sameValue(sample.getFloat16(2, true), 17.1875, "2, true"); // 01001100 01001101
+
+reportCompare(0, 0);