Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 23 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/wasm/memory-sharing-off.js b/js/src/jit-test/tests/wasm/memory-sharing-off.js
new file mode 100644
index 0000000000..f3588c98b1
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/memory-sharing-off.js
@@ -0,0 +1,23 @@
+// |jit-test| --shared-memory=off; skip-if: !wasmThreadsEnabled()
+
+// A module using shared memory should be convertable from text to binary even
+// if shared memory is disabled.
+
+var bin = wasmTextToBinary('(module (memory 1 1 shared))');
+
+// But we should not be able to validate it:
+
+assertEq(WebAssembly.validate(bin), false);
+
+// Nor to compile it:
+
+assertErrorMessage(() => new WebAssembly.Module(bin),
+		   WebAssembly.CompileError,
+		   /shared memory is disabled/);
+
+// We also should not be able to create a shared memory by itself:
+
+assertErrorMessage(() => new WebAssembly.Memory({initial: 1, maximum: 1, shared: true}),
+		   WebAssembly.LinkError,
+		   /shared memory is disabled/);
+