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Add test for zero subsample size

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Decrypting zero subsample size should return success.

Test: opk_ta, run_fake_l1_tests, run_dynamic_level3
Bug: 279999069
Merged from https://widevine-internal-review.googlesource.com/178138

Change-Id: I3bbad9c63ee72bd6e8ea3b796d231116e59afdc7
This commit is contained in:
Cong Lin
2023-07-11 11:13:21 -07:00
committed by Robert Shih
parent 5c05e8a387
commit 695b204545
1 changed files with 11 additions and 0 deletions
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11
libwvdrmengine/oemcrypto/test/oemcrypto_decrypt_test.cpp
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@@ -539,6 +539,17 @@ TEST_P(OEMCryptoSessionTestsDecryptTests, DecryptMaxSubsample) {
ASSERT_NO_FATAL_FAILURE(TestDecryptCENC());
}
TEST_P(OEMCryptoSessionTestsDecryptTests, DecryptZeroSizeSubSample) {
ASSERT_NO_FATAL_FAILURE(SetSubsampleSizes({
{10, 10},
{0, 0},
}));
ASSERT_NO_FATAL_FAILURE(LoadLicense());
ASSERT_NO_FATAL_FAILURE(MakeBuffers());
ASSERT_NO_FATAL_FAILURE(EncryptData());
ASSERT_NO_FATAL_FAILURE(TestDecryptCENC());
}
// There are probably no frames this small, but we should handle them anyway.
TEST_P(OEMCryptoSessionTestsDecryptTests, DecryptSmallBuffer) {
ASSERT_NO_FATAL_FAILURE(SetSubsampleSizes({