1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-format-01.js b/js/src/jit-test/tests/debug/Script-format-01.js
new file mode 100644
index 0000000000..24db07dc72
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-format-01.js
@@ -0,0 +1,18 @@
+// |jit-test| skip-if: !wasmDebuggingEnabled()
+
+// Tests that JavaScript scripts have a "js" format and wasm scripts have a
+// "wasm" format.
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+
+var gotScript;
+dbg.onNewScript = (script) => {
+  gotScript = script;
+};
+
+g.eval(`(() => {})()`);
+assertEq(gotScript.format, "js");
+
+g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);
+assertEq(gotScript.format, "wasm");