1 files changed, 71 insertions, 5 deletions
diff --git a/toolkit/components/glean/tests/xpcshell/test_Glean.js b/toolkit/components/glean/tests/xpcshell/test_Glean.js
index 18b450a69b..f5661f91b6 100644
--- a/toolkit/components/glean/tests/xpcshell/test_Glean.js
+++ b/toolkit/components/glean/tests/xpcshell/test_Glean.js
@@ -514,7 +514,7 @@ add_task(async function test_fog_object_works() {
   let expected = [
     { colour: "red", diameter: 5 },
     { colour: "blue", diameter: 7 },
-    { colour: "orange", diameter: null },
+    { colour: "orange" },
   ];
   Assert.deepEqual(expected, result);
 
@@ -528,10 +528,10 @@ add_task(async function test_fog_object_works() {
   Glean.testOnly.balloons.set(balloons);
   result = Glean.testOnly.balloons.testGetValue();
   expected = [
-    { colour: "inf", diameter: null },
-    { colour: "negative-inf", diameter: null },
-    { colour: "nan", diameter: null },
-    { colour: "undef", diameter: null },
+    { colour: "inf" },
+    { colour: "negative-inf" },
+    { colour: "nan" },
+    { colour: "undef" },
   ];
   Assert.deepEqual(expected, result);
 
@@ -562,3 +562,69 @@ add_task(async function test_fog_object_works() {
     "Should throw because last object was invalid."
   );
 });
+
+add_task(async function test_fog_complex_object_works() {
+  if (!Glean.testOnly.crashStack) {
+    // FIXME(bug 1883857): object metric type not available, e.g. in artifact builds.
+    // Skipping this test.
+    return;
+  }
+
+  Assert.equal(
+    undefined,
+    Glean.testOnly.crashStack.testGetValue(),
+    "No object stored"
+  );
+
+  Glean.testOnly.crashStack.set({});
+  let result = Glean.testOnly.crashStack.testGetValue();
+  Assert.deepEqual({}, result);
+
+  let stack = {
+    status: "OK",
+    crash_info: {
+      typ: "main",
+      address: "0xf001ba11",
+      crashing_thread: 1,
+    },
+    main_module: 0,
+    modules: [
+      {
+        base_addr: "0x00000000",
+        end_addr: "0x00004000",
+      },
+    ],
+  };
+
+  Glean.testOnly.crashStack.set(stack);
+  result = Glean.testOnly.crashStack.testGetValue();
+  Assert.deepEqual(stack, result);
+
+  stack = {
+    status: "OK",
+    modules: [
+      {
+        base_addr: "0x00000000",
+        end_addr: "0x00004000",
+      },
+    ],
+  };
+  Glean.testOnly.crashStack.set(stack);
+  result = Glean.testOnly.crashStack.testGetValue();
+  Assert.deepEqual(stack, result);
+
+  stack = {
+    status: "OK",
+    modules: [],
+  };
+  Glean.testOnly.crashStack.set(stack);
+  result = Glean.testOnly.crashStack.testGetValue();
+  Assert.deepEqual({ status: "OK" }, result);
+
+  stack = {
+    status: "OK",
+  };
+  Glean.testOnly.crashStack.set(stack);
+  result = Glean.testOnly.crashStack.testGetValue();
+  Assert.deepEqual(stack, result);
+});