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Add test for OEMCrypto_ERROR_TOO_MANY_SESSIONS

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Also restore the requirement that OEMCrypto shall support at least
8 sessions.

Bug: 19641109

Merged from Widevine CDM repo:
https://widevine-internal-review.googlesource.com/#/c/13570/

Change-Id: I0aca81b9fe1f4f6505ddf91bcf399ac910b654aa
This commit is contained in:
KongQun Yang
2015-03-11 11:04:34 -07:00
parent 46f26fe6ae
commit fa055673d5
3 changed files with 36 additions and 5 deletions
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27
libwvdrmengine/oemcrypto/test/oemcrypto_test.cpp
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@@ -1746,12 +1746,26 @@ TEST_F(OEMCryptoClientTest, MaxSessionsOpenClose) {
ASSERT_EQ(0, sessions_count);
size_t max_sessions;
ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_GetMaxNumberOfSessions(&max_sessions));
ASSERT_GT(max_sessions, 0);
// We expect OEMCrypto implementations support at least 8 sessions.
const size_t kMinimumSupportedMaxNumberOfSessions = 8u;
ASSERT_GE(max_sessions, kMinimumSupportedMaxNumberOfSessions);
vector<OEMCrypto_SESSION> sessions;
for (int i = 0; i < max_sessions; i++) {
// Limit the number of sessions for testing.
const size_t kMaxNumberOfSessionsForTesting = 0x100u;
for (int i = 0; i < kMaxNumberOfSessionsForTesting; i++) {
OEMCrypto_SESSION session_id;
ASSERT_EQ(OEMCrypto_SUCCESS, OEMCrypto_OpenSession(&session_id));
OEMCryptoResult sts = OEMCrypto_OpenSession(&session_id);
// GetMaxNumberOfSessions might be an estimate. We allow OEMCrypto to report
// a max that is less than what is actually supported. Assume the number
// returned is |max|. OpenSessions shall not fail if number of active
// sessions is less than |max|; OpenSessions should fail with
// OEMCrypto_ERROR_TOO_MANY_SESSIONS if too many sessions are open.
if (sts != OEMCrypto_SUCCESS) {
ASSERT_EQ(OEMCrypto_ERROR_TOO_MANY_SESSIONS, sts);
ASSERT_GE(i, max_sessions);
break;
}
ASSERT_EQ(OEMCrypto_SUCCESS,
OEMCrypto_GetNumberOfOpenSessions(&sessions_count));
ASSERT_EQ(i + 1, sessions_count);
@@ -1763,6 +1777,13 @@ TEST_F(OEMCryptoClientTest, MaxSessionsOpenClose) {
OEMCrypto_GetNumberOfOpenSessions(&sessions_count));
ASSERT_EQ(sessions.size() - i - 1, sessions_count);
}
if (sessions.size() == kMaxNumberOfSessionsForTesting) {
printf(
" MaxSessionsOpenClose: reaches "
"kMaxNumberOfSessionsForTesting(%zu). GetMaxNumberOfSessions = %zu. "
"ERROR_TOO_MANY_SESSIONS not tested.",
kMaxNumberOfSessionsForTesting, max_sessions);
}
}
TEST_F(OEMCryptoClientTest, GenerateNonce) {