1 files changed, 143 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_wasm_source-01.js b/devtools/server/tests/xpcshell/test_wasm_source-01.js
new file mode 100644
index 0000000000..fe8e43e236
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_wasm_source-01.js
@@ -0,0 +1,143 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable no-shadow, max-nested-callbacks */
+
+"use strict";
+
+/**
+ * Verify if client can receive binary wasm
+ */
+
+var gDebuggee;
+var gThreadFront;
+
+add_task(
+  threadFrontTest(
+    async ({ threadFront, debuggee, client }) => {
+      gThreadFront = threadFront;
+      gDebuggee = debuggee;
+
+      await gThreadFront.reconfigure({
+        observeAsmJS: true,
+        observeWasm: true,
+      });
+
+      test_source();
+    },
+    { waitForFinish: true, doNotRunWorker: true }
+  )
+);
+
+const EXPECTED_CONTENT = String.fromCharCode(
+  0,
+  97,
+  115,
+  109,
+  1,
+  0,
+  0,
+  0,
+  1,
+  132,
+  128,
+  128,
+  128,
+  0,
+  1,
+  96,
+  0,
+  0,
+  3,
+  130,
+  128,
+  128,
+  128,
+  0,
+  1,
+  0,
+  6,
+  129,
+  128,
+  128,
+  128,
+  0,
+  0,
+  7,
+  133,
+  128,
+  128,
+  128,
+  0,
+  1,
+  1,
+  102,
+  0,
+  0,
+  10,
+  136,
+  128,
+  128,
+  128,
+  0,
+  1,
+  130,
+  128,
+  128,
+  128,
+  0,
+  0,
+  11
+);
+
+function test_source() {
+  gThreadFront.once("paused", function (packet) {
+    gThreadFront.getSources().then(function (response) {
+      Assert.ok(!!response);
+      Assert.ok(!!response.sources);
+
+      const source = response.sources.filter(function (s) {
+        return s.introductionType === "wasm";
+      })[0];
+
+      Assert.ok(!!source);
+
+      const sourceFront = gThreadFront.source(source);
+      sourceFront.source().then(function (response) {
+        Assert.ok(!!response);
+        Assert.ok(!!response.contentType);
+        Assert.ok(response.contentType.includes("wasm"));
+
+        const sourceContent = response.source;
+        Assert.ok(!!sourceContent);
+        Assert.equal(typeof sourceContent, "object");
+        Assert.ok("binary" in sourceContent);
+        Assert.equal(EXPECTED_CONTENT, sourceContent.binary);
+
+        gThreadFront.resume().then(function () {
+          threadFrontTestFinished();
+        });
+      });
+    });
+  });
+
+  /* eslint-disable comma-spacing, max-len */
+  gDebuggee.eval(
+    "(" +
+      function () {
+        // WebAssembly bytecode was generated by running:
+        // js -e 'print(wasmTextToBinary("(module(func(export \"f\")))"))'
+        const m = new WebAssembly.Module(
+          new Uint8Array([
+            0, 97, 115, 109, 1, 0, 0, 0, 1, 132, 128, 128, 128, 0, 1, 96, 0, 0,
+            3, 130, 128, 128, 128, 0, 1, 0, 6, 129, 128, 128, 128, 0, 0, 7, 133,
+            128, 128, 128, 0, 1, 1, 102, 0, 0, 10, 136, 128, 128, 128, 0, 1,
+            130, 128, 128, 128, 0, 0, 11,
+          ])
+        );
+        const i = new WebAssembly.Instance(m);
+        debugger;
+        i.exports.f();
+      } +
+      ")()"
+  );
+}