1 files changed, 32 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/wasm-01.js b/js/src/jit-test/tests/debug/wasm-01.js
new file mode 100644
index 0000000000..1d9396aa1b
--- /dev/null
+++ b/js/src/jit-test/tests/debug/wasm-01.js
@@ -0,0 +1,32 @@
+// |jit-test| skip-if: !wasmDebuggingEnabled()
+
+// Tests that wasm module scripts are available via findScripts.
+
+var g = newGlobal({newCompartment: true});
+g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);
+
+function isWasm(script) { return script.format === "wasm"; }
+
+var dbg = new Debugger(g);
+var foundScripts1 = dbg.findScripts().filter(isWasm);
+assertEq(foundScripts1.length, 1);
+var found = foundScripts1[0];
+
+// Add another module, we should be able to find it via findScripts.
+g.eval(`o2 = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "a" (func 0)))')));`);
+var foundScripts2 = dbg.findScripts().filter(isWasm);
+assertEq(foundScripts2.length, 2);
+
+// The first module should be in the list as wrapping the same wasm module
+// twice gets the same Debugger.Script.
+assertEq(foundScripts2.indexOf(found) !== -1, true);
+
+// The two modules are distinct.
+assertEq(foundScripts2[0] !== foundScripts2[1], true);
+
+// We should be able to find the same script via its source.
+for (var ws of foundScripts2) {
+  var scriptsFromSource = dbg.findScripts({ source: ws.source });
+  assertEq(scriptsFromSource.length, 1);
+  assertEq(scriptsFromSource[0], ws);
+}