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test Android oversized key rejection on LTS

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guoling
2026-07-30 20:33:56 +08:00
parent e6e4686d0b
commit 5b0b4da56f
1 changed files with 32 additions and 0 deletions
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Android/MMKV/mmkv/src/androidTest/java/com/tencent/mmkv/MMKVTest.java
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@@ -26,6 +26,7 @@ import android.content.Context;
import android.content.Intent;
import android.os.SystemClock;
import androidx.test.InstrumentationRegistry;
import java.util.Arrays;
import java.util.HashSet;
import org.junit.AfterClass;
import org.junit.BeforeClass;
@@ -253,6 +254,37 @@ public class MMKVTest {
kv.clearAll();
}
private static void assertOversizedKeyRejectedWithoutCorruption(String mmapID, String cryptKey) {
MMKV kv = MMKV.mmkvWithID(mmapID, MMKV.SINGLE_PROCESS_MODE, cryptKey);
kv.clearAll();
assertTrue(kv.encode("before", "sentinel-before"));
char[] maxKeyChars = new char[65531];
Arrays.fill(maxKeyChars, 'A');
String maxKey = new String(maxKeyChars);
assertTrue(kv.encode(maxKey, "boundary"));
assertEquals("boundary", kv.decodeString(maxKey));
char[] oversizedKeyChars = new char[65532];
Arrays.fill(oversizedKeyChars, 'B');
String oversizedKey = new String(oversizedKeyChars);
assertFalse(kv.encode(oversizedKey, "must-be-rejected"));
assertNull(kv.decodeString(oversizedKey));
assertTrue(kv.encode("after", "sentinel-after"));
kv.clearMemoryCache();
assertEquals("sentinel-before", kv.decodeString("before"));
assertEquals("boundary", kv.decodeString(maxKey));
assertEquals("sentinel-after", kv.decodeString("after"));
kv.clearAll();
}
@Test
public void testOversizedKeyRejectedWithoutCorruption() {
assertOversizedKeyRejectedWithoutCorruption("oversizedKeyTest", null);
assertOversizedKeyRejectedWithoutCorruption("oversizedKeyCryptTest", "UnitTestCryptKey");
}
@Test
public void testIPCUpdateInt() {
MMKV mmkv = MMKV.mmkvWithID(MMKVTestService.SharedMMKVID, MMKV.MULTI_PROCESS_MODE);