Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 43 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/dataview/throws-on-detached.js b/js/src/jit-test/tests/dataview/throws-on-detached.js
new file mode 100644
index 0000000000..fb06a3c34c
--- /dev/null
+++ b/js/src/jit-test/tests/dataview/throws-on-detached.js
@@ -0,0 +1,43 @@
+// TypeError is thrown when the underlying ArrayBuffer is detached.
+
+function testByteOffset() {
+  var ab = new ArrayBuffer(10);
+  var dv = new DataView(ab, 4, 0);
+
+  var q = 0;
+  var error;
+  try {
+    for (var i = 0; i <= 200; ++i) {
+      if (i === 200) {
+        detachArrayBuffer(ab);
+      }
+      q += dv.byteOffset;
+    }
+  } catch (e) {
+    error = e;
+  }
+  assertEq(q, 4 * 200);
+  assertEq(error instanceof TypeError, true);
+}
+testByteOffset();
+
+function testByteLength() {
+  var ab = new ArrayBuffer(10);
+  var dv = new DataView(ab, 4, 6);
+
+  var q = 0;
+  var error;
+  try {
+    for (var i = 0; i <= 200; ++i) {
+      if (i === 200) {
+        detachArrayBuffer(ab);
+      }
+      q += dv.byteLength;
+    }
+  } catch (e) {
+    error = e;
+  }
+  assertEq(q, 6 * 200);
+  assertEq(error instanceof TypeError, true);
+}
+testByteLength();