1 files changed, 149 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-property-value-01.js b/devtools/server/tests/xpcshell/test_objectgrips-property-value-01.js
new file mode 100644
index 0000000000..ffcf2b0ba4
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_objectgrips-property-value-01.js
@@ -0,0 +1,149 @@
+/* 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(
+      () => evalCode(debuggee),
+      threadFront
+    );
+
+    const arg1 = packet.frame.arguments[0];
+    Assert.equal(arg1.class, "Object");
+
+    const objFront = threadFront.pauseGrip(arg1);
+
+    const expectedValues = {
+      stringProp: {
+        return: "a value",
+      },
+      stringNormal: {
+        return: "a value",
+      },
+      stringAbrupt: {
+        throw: "a value",
+      },
+      objectNormal: {
+        return: {
+          _grip: {
+            type: "object",
+            class: "Object",
+            ownPropertyLength: 1,
+            preview: {
+              kind: "Object",
+              ownProperties: {
+                prop: {
+                  value: 4,
+                },
+              },
+            },
+          },
+        },
+      },
+      objectAbrupt: {
+        throw: {
+          _grip: {
+            type: "object",
+            class: "Object",
+            ownPropertyLength: 1,
+            preview: {
+              kind: "Object",
+              ownProperties: {
+                prop: {
+                  value: 4,
+                },
+              },
+            },
+          },
+        },
+      },
+      context: {
+        return: "correct context",
+      },
+      method: {
+        return: {
+          _grip: {
+            type: "object",
+            class: "Function",
+            name: "method",
+          },
+        },
+      },
+    };
+
+    for (const [key, expected] of Object.entries(expectedValues)) {
+      const { value } = await objFront.getPropertyValue(key, null);
+      assert_completion(value, expected);
+    }
+
+    await threadFront.resume();
+  })
+);
+
+function evalCode(debuggee) {
+  debuggee.eval(
+    function stopMe(arg1) {
+      debugger;
+    }.toString()
+  );
+
+  debuggee.eval(`
+    var obj = {
+      stringProp: "a value",
+      get stringNormal(){
+        return "a value";
+      },
+      get stringAbrupt() {
+        throw "a value";
+      },
+      get objectNormal() {
+        return { prop: 4 };
+      },
+      get objectAbrupt() {
+        throw { prop: 4 };
+      },
+      get context(){
+        return this === obj ? "correct context" : "wrong context";
+      },
+      method() {
+        return "a value";
+      },
+    };
+    stopMe(obj);
+  `);
+}
+
+function assert_completion(value, expected) {
+  if (expected && "return" in expected) {
+    assert_value(value.return, expected.return);
+  }
+  if (expected && "throw" in expected) {
+    assert_value(value.throw, expected.throw);
+  }
+  if (!expected) {
+    assert_value(value, expected);
+  }
+}
+
+function assert_value(actual, expected) {
+  Assert.equal(typeof actual, typeof expected);
+
+  if (typeof expected === "object") {
+    // Note: We aren't using deepEqual here because we're only doing a cursory
+    // check of a few properties, not a full comparison of the result, since
+    // the full outputs includes stuff like preview info that we don't need.
+    for (const key of Object.keys(expected)) {
+      assert_value(actual[key], expected[key]);
+    }
+  } else {
+    Assert.equal(actual, expected);
+  }
+}