Deflake the test by verifying with exactly one OOME allocation

Test: atest the cts tests
Bug: 268461551
Change-Id: Id60ab793fec140769663cbde51a552dc20ff1d29
Merged-In: Id60ab793fec140769663cbde51a552dc20ff1d29

1 files changed, 4 insertions, 25 deletions

diff --git a/test/cts/test_apps/src/android/perfetto/cts/app/JavaOomActivity.java b/test/cts/test_apps/src/android/perfetto/cts/app/JavaOomActivity.java
index 4165a928d..f73c13523 100644
--- a/test/cts/test_apps/src/android/perfetto/cts/app/JavaOomActivity.java
+++ b/test/cts/test_apps/src/android/perfetto/cts/app/JavaOomActivity.java
@@ -19,36 +19,15 @@ package android.perfetto.cts.app;
 import android.app.Activity;
 import android.os.Bundle;
 
-import java.util.ArrayList;
-
 public class JavaOomActivity extends Activity {
     @Override
     public void onCreate(Bundle state) {
         super.onCreate(state);
-
-        new Thread(new Runnable() {
-            public void run() {
-                try {
-                    runAllocationLoop();
-                } catch (Exception ex) {
-                    ex.printStackTrace();
-                }
+        new Thread(() -> {
+            try {
+                byte[] alloc = new byte[Integer.MAX_VALUE];
+            } catch (OutOfMemoryError e) {
             }
         }).start();
     }
-
-    private static void runAllocationLoop() {
-        ArrayList<byte[]> leaky = new ArrayList<>();
-        try {
-            for (;;) {
-                leaky.add(new byte[1024 * 1024]);
-                try {
-                    Thread.sleep(10);
-                } catch (InterruptedException ignored) {
-                }
-            }
-        } catch (OutOfMemoryError e) {
-          leaky.clear();
-        }
-    }
 }