[heap] Fix tests for single generation

Bug: v8:13322
Change-Id: I0826175aeb47c07a7b53792d4c271a095b44e322
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3915225Reviewed-by: Dominik Inführ <dinfuehr@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@chromium.org>
Auto-Submit: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/main@{#83413}

test/cctest/test-shared-strings.cc

@@ -942,6 +942,10 @@ UNINITIALIZED_TEST(PromotionMarkCompactOldToShared) {
   if (!V8_CAN_CREATE_SHARED_HEAP_BOOL) return;
   if (v8_flags.stress_concurrent_allocation) return;
   if (!v8_flags.page_promotion) return;
+  if (v8_flags.single_generation) {
+    // String allocated in old space may be "pretenured" to the shared heap.
+    return;
+  }
 
   v8_flags.shared_string_table = true;
   v8_flags.manual_evacuation_candidates_selection = true;

test/inspector/inspector.status

@@ -553,4 +553,9 @@
   'debugger/value-unavailable-scopes': [SKIP],
 }], # lite_mode or variant in (nooptimization, jitless, assert_types)
 
+##############################################################################
+['single_generation', {
+  'heap-profiler/sampling-heap-profiler-flags': [SKIP],
+}], # single_generation
+
 ]

test/unittests/heap/global-handles-unittest.cc

@@ -30,6 +30,7 @@
 #include "include/v8-function.h"
 #include "src/api/api-inl.h"
 #include "src/execution/isolate.h"
+#include "src/flags/flags.h"
 #include "src/heap/factory.h"
 #include "src/heap/heap-inl.h"
 #include "src/objects/objects-inl.h"
@@ -496,7 +497,8 @@ TEST_F(GlobalHandlesTest, GCFromWeakCallbacks) {
   if (v8_flags.single_generation) {
     FlagAndGlobal fp;
     ConstructJSApiObject(isolate, context, &fp);
-    CHECK(!InYoungGeneration(isolate, fp.handle));
+    CHECK_IMPLIES(!v8_flags.single_generation,
+                  !InYoungGeneration(isolate, fp.handle));
     fp.flag = false;
     fp.handle.SetWeak(&fp, &ForceMarkSweep1, v8::WeakCallbackType::kParameter);
     CollectAllGarbage();