1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/wasm-03.js b/js/src/jit-test/tests/debug/wasm-03.js
new file mode 100644
index 0000000000..99f377f18b
--- /dev/null
+++ b/js/src/jit-test/tests/debug/wasm-03.js
@@ -0,0 +1,35 @@
+// |jit-test| skip-if: !wasmDebuggingEnabled()
+
+// Tests that wasm module scripts have synthesized sources.
+
+load(libdir + "asserts.js");
+
+var g = newGlobal({newCompartment: true});
+var dbg = new Debugger(g);
+
+var s;
+dbg.onNewScript = (script) => {
+  s = script;
+}
+
+g.eval(`o = new WebAssembly.Instance(new WebAssembly.Module(wasmTextToBinary('(module (func) (export "" (func 0)))')));`);
+assertEq(s.format, "wasm");
+
+var source = s.source;
+
+assertEq(s.source, source);
+assertEq(source.introductionType, "wasm");
+assertEq(source.introductionScript, s);
+// Wasm sources shouldn't be considered source mapped.
+assertEq(!source.sourceMapURL, true);
+assertThrowsInstanceOf(() => source.sourceMapURL = 'foo', Error);
+// We must have some text.
+assertEq(!!source.text, true);
+
+// TODOshu: Wasm is moving very fast and what we return for these values is
+// currently not interesting to test. Instead, test that they do not throw.
+source.url;
+source.element;
+source.displayURL;
+source.introductionOffset;
+source.elementAttributeName;