1 files changed, 139 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-16.js b/devtools/server/tests/xpcshell/test_objectgrips-16.js
new file mode 100644
index 0000000000..785c3bc36d
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-16.js
@@ -0,0 +1,139 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable no-shadow, max-nested-callbacks */
+
+"use strict";
+
+Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true);
+registerCleanupFunction(() => {
+  Services.prefs.clearUserPref("security.allow_eval_with_system_principal");
+});
+
+add_task(
+  threadFrontTest(async ({ threadFront, debuggee }) => {
+    const packet = await executeOnNextTickAndWaitForPause(
+      eval_code,
+      threadFront
+    );
+    const [grip] = packet.frame.arguments;
+
+    // Checks grip.preview properties.
+    check_preview(grip);
+
+    const objClient = threadFront.pauseGrip(grip);
+    const response = await objClient.getPrototypeAndProperties();
+    // Checks the result of getPrototypeAndProperties.
+    check_prototype_and_properties(response);
+
+    await threadFront.resume();
+
+    function eval_code() {
+      debuggee.eval(
+        function stopMe(arg1) {
+          debugger;
+        }.toString()
+      );
+      debuggee.eval(`
+        stopMe({
+          [Symbol()]: "first unnamed symbol",
+          [Symbol()]: "second unnamed symbol",
+          [Symbol("named")] : "named symbol",
+          [Symbol.iterator] : function* () {
+            yield 1;
+            yield 2;
+          },
+          x: 10,
+        });
+      `);
+    }
+
+    function check_preview(grip) {
+      Assert.equal(grip.class, "Object");
+
+      const { preview } = grip;
+      Assert.equal(preview.ownProperties.x.configurable, true);
+      Assert.equal(preview.ownProperties.x.enumerable, true);
+      Assert.equal(preview.ownProperties.x.writable, true);
+      Assert.equal(preview.ownProperties.x.value, 10);
+
+      const [
+        firstUnnamedSymbol,
+        secondUnnamedSymbol,
+        namedSymbol,
+        iteratorSymbol,
+      ] = preview.ownSymbols;
+
+      Assert.equal(firstUnnamedSymbol.name, undefined);
+      Assert.equal(firstUnnamedSymbol.type, "symbol");
+      Assert.equal(firstUnnamedSymbol.descriptor.configurable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.enumerable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.writable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.value, "first unnamed symbol");
+
+      Assert.equal(secondUnnamedSymbol.name, undefined);
+      Assert.equal(secondUnnamedSymbol.type, "symbol");
+      Assert.equal(secondUnnamedSymbol.descriptor.configurable, true);
+      Assert.equal(secondUnnamedSymbol.descriptor.enumerable, true);
+      Assert.equal(secondUnnamedSymbol.descriptor.writable, true);
+      Assert.equal(
+        secondUnnamedSymbol.descriptor.value,
+        "second unnamed symbol"
+      );
+
+      Assert.equal(namedSymbol.name, "named");
+      Assert.equal(namedSymbol.type, "symbol");
+      Assert.equal(namedSymbol.descriptor.configurable, true);
+      Assert.equal(namedSymbol.descriptor.enumerable, true);
+      Assert.equal(namedSymbol.descriptor.writable, true);
+      Assert.equal(namedSymbol.descriptor.value, "named symbol");
+
+      Assert.equal(iteratorSymbol.name, "Symbol.iterator");
+      Assert.equal(iteratorSymbol.type, "symbol");
+      Assert.equal(iteratorSymbol.descriptor.configurable, true);
+      Assert.equal(iteratorSymbol.descriptor.enumerable, true);
+      Assert.equal(iteratorSymbol.descriptor.writable, true);
+      Assert.equal(iteratorSymbol.descriptor.value.class, "Function");
+    }
+
+    function check_prototype_and_properties(response) {
+      Assert.equal(response.ownProperties.x.configurable, true);
+      Assert.equal(response.ownProperties.x.enumerable, true);
+      Assert.equal(response.ownProperties.x.writable, true);
+      Assert.equal(response.ownProperties.x.value, 10);
+
+      const [
+        firstUnnamedSymbol,
+        secondUnnamedSymbol,
+        namedSymbol,
+        iteratorSymbol,
+      ] = response.ownSymbols;
+
+      Assert.equal(firstUnnamedSymbol.name, "Symbol()");
+      Assert.equal(firstUnnamedSymbol.descriptor.configurable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.enumerable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.writable, true);
+      Assert.equal(firstUnnamedSymbol.descriptor.value, "first unnamed symbol");
+
+      Assert.equal(secondUnnamedSymbol.name, "Symbol()");
+      Assert.equal(secondUnnamedSymbol.descriptor.configurable, true);
+      Assert.equal(secondUnnamedSymbol.descriptor.enumerable, true);
+      Assert.equal(secondUnnamedSymbol.descriptor.writable, true);
+      Assert.equal(
+        secondUnnamedSymbol.descriptor.value,
+        "second unnamed symbol"
+      );
+
+      Assert.equal(namedSymbol.name, "Symbol(named)");
+      Assert.equal(namedSymbol.descriptor.configurable, true);
+      Assert.equal(namedSymbol.descriptor.enumerable, true);
+      Assert.equal(namedSymbol.descriptor.writable, true);
+      Assert.equal(namedSymbol.descriptor.value, "named symbol");
+
+      Assert.equal(iteratorSymbol.name, "Symbol(Symbol.iterator)");
+      Assert.equal(iteratorSymbol.descriptor.configurable, true);
+      Assert.equal(iteratorSymbol.descriptor.enumerable, true);
+      Assert.equal(iteratorSymbol.descriptor.writable, true);
+      Assert.equal(iteratorSymbol.descriptor.value.class, "Function");
+    }
+  })
+);