Fix: Set the correct OOM event timestamp

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+### Fixes
+
+- Set the correct OOM event timestamp (#2394)
+
 ## 7.31.0
 
 ### Features

Sources/Sentry/SentryOutOfMemoryTracker.m

@@ -1,3 +1,4 @@
+#import "NSDate+SentryExtras.h"
 #import "SentryEvent+Private.h"
 #import "SentryFileManager.h"
 #import <Foundation/Foundation.h>
@@ -68,6 +69,12 @@ - (void)start
                                           self.options.maxBreadcrumbs)];
             }
 
+            NSDictionary *lastBreadcrumb = event.serializedBreadcrumbs.lastObject;
+            if (lastBreadcrumb && [lastBreadcrumb objectForKey:@"timestamp"]) {
+                NSString *timestampIso8601String = [lastBreadcrumb objectForKey:@"timestamp"];
+                event.timestamp = [NSDate sentry_fromIso8601String:timestampIso8601String];
+            }
+
             SentryException *exception =
                 [[SentryException alloc] initWithValue:SentryOutOfMemoryExceptionValue
                                                   type:SentryOutOfMemoryExceptionType];

Tests/SentryTests/Integrations/OutOfMemory/SentryOutOfMemoryTrackerTests.swift

@@ -225,6 +225,9 @@ class SentryOutOfMemoryTrackerTests: NotificationCenterTestCase {
         fixture.fileManager.moveBreadcrumbsToPreviousBreadcrumbs()
         sut.start()
         assertOOMEventSent(expectedBreadcrumbs: 2)
+
+        let crashEvent = fixture.client.captureCrashEventInvocations.first?.event
+        XCTAssertEqual(crashEvent?.timestamp, breadcrumb.timestamp)
     }
 
     func testAppOOM_WithOnlyHybridSdkDidBecomeActive() {