1 files changed, 29 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/dataview/resizable-dataview-bytelength-with-sab.js b/js/src/jit-test/tests/dataview/resizable-dataview-bytelength-with-sab.js
new file mode 100644
index 0000000000..008657d6e3
--- /dev/null
+++ b/js/src/jit-test/tests/dataview/resizable-dataview-bytelength-with-sab.js
@@ -0,0 +1,29 @@
+// |jit-test| --enable-arraybuffer-resizable; skip-if: !ArrayBuffer.prototype.resize||!this.SharedArrayBuffer
+
+function testResizableArrayBuffer() {
+  for (let i = 0; i < 4; ++i) {
+    let sab = new SharedArrayBuffer(i, {maxByteLength: i + 100});
+    let ta = new DataView(sab, 0, i);
+    for (let j = 0; j < 100; ++j) {
+      assertEq(ta.byteLength, i);
+
+      sab.grow(i + j + 1);
+      assertEq(ta.byteLength, i);
+    }
+  }
+}
+for (let i = 0; i < 2; ++i) testResizableArrayBuffer();
+
+function testResizableArrayBufferAutoLength() {
+  for (let i = 0; i < 4; ++i) {
+    let sab = new SharedArrayBuffer(i, {maxByteLength: i + 100});
+    let ta = new DataView(sab);
+    for (let j = 0; j < 100; ++j) {
+      assertEq(ta.byteLength, i + j);
+
+      sab.grow(i + j + 1);
+      assertEq(ta.byteLength, i + j + 1);
+    }
+  }
+}
+for (let i = 0; i < 2; ++i) testResizableArrayBufferAutoLength();