1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values-custom-offset.js b/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values-custom-offset.js
new file mode 100644
index 0000000000..c121bd316c
--- /dev/null
+++ b/js/src/tests/test262/built-ins/DataView/prototype/getFloat16/return-values-custom-offset.js
@@ -0,0 +1,29 @@
+// |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 using a custom offset
+features: [Float16Array, DataView.prototype.setUint8]
+---*/
+
+var buffer = new ArrayBuffer(8);
+var sample = new DataView(buffer, 0);
+
+sample.setUint8(4, 75); // 01001011
+sample.setUint8(5, 75); // 01001011
+sample.setUint8(6, 76); // 01001100
+sample.setUint8(7, 77); // 01001101
+
+sample = new DataView(buffer, 4);
+
+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), 17.203125, "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), 21.1875, "2, true"); // 01001101 01001100
+
+reportCompare(0, 0);