Fix bugs in the Tuner HAL 1.0 VTS

The previous implementation did not check some of the
Descrambler API test results to stop the test.
And the test itself was also implemented in a wrong way.

Test: atest VtsHalTvTunerV1_0TargetTest
Bug: 150987138
Change-Id: Ie26db0ec1b231062d0314631eebec319382da1bc
(cherry picked from commit 6d774c89a1112c36ad14c9c0b95ee8816cb176f2)
diff --git a/tv/tuner/1.0/vts/functional/DescramblerTests.cpp b/tv/tuner/1.0/vts/functional/DescramblerTests.cpp
index d7440bc..2e27475 100644
--- a/tv/tuner/1.0/vts/functional/DescramblerTests.cpp
+++ b/tv/tuner/1.0/vts/functional/DescramblerTests.cpp
@@ -102,13 +102,13 @@
 
 AssertionResult DescramblerTests::setKeyToken(TunerKeyToken token) {
     Result status;
-    if (mDescrambler) {
+    if (!mDescrambler) {
         ALOGW("[vts] Descrambler is not opened yet.");
         return failure();
     }
 
     status = mDescrambler->setKeyToken(token);
-    if (status == Result::SUCCESS) {
+    if (status != Result::SUCCESS) {
         ALOGW("[vts] setKeyToken failed.");
         return failure();
     }
@@ -118,13 +118,13 @@
 
 AssertionResult DescramblerTests::addPid(DemuxPid pid, sp<IFilter> optionalSourceFilter) {
     Result status;
-    if (mDescrambler) {
+    if (!mDescrambler) {
         ALOGW("[vts] Descrambler is not opened yet.");
         return failure();
     }
 
     status = mDescrambler->addPid(pid, optionalSourceFilter);
-    if (status == Result::SUCCESS) {
+    if (status != Result::SUCCESS) {
         ALOGW("[vts] addPid failed.");
         return failure();
     }
@@ -134,13 +134,13 @@
 
 AssertionResult DescramblerTests::removePid(DemuxPid pid, sp<IFilter> optionalSourceFilter) {
     Result status;
-    if (mDescrambler) {
+    if (!mDescrambler) {
         ALOGW("[vts] Descrambler is not opened yet.");
         return failure();
     }
 
     status = mDescrambler->removePid(pid, optionalSourceFilter);
-    if (status == Result::SUCCESS) {
+    if (status != Result::SUCCESS) {
         ALOGW("[vts] removePid failed.");
         return failure();
     }
@@ -150,14 +150,14 @@
 
 AssertionResult DescramblerTests::closeDescrambler() {
     Result status;
-    if (mDescrambler) {
+    if (!mDescrambler) {
         ALOGW("[vts] Descrambler is not opened yet.");
         return failure();
     }
 
     status = mDescrambler->close();
     mDescrambler = nullptr;
-    if (status == Result::SUCCESS) {
+    if (status != Result::SUCCESS) {
         ALOGW("[vts] close Descrambler failed.");
         return failure();
     }
diff --git a/tv/tuner/1.0/vts/functional/VtsHalTvTunerV1_0TargetTest.cpp b/tv/tuner/1.0/vts/functional/VtsHalTvTunerV1_0TargetTest.cpp
index 6819659..2be68b8 100644
--- a/tv/tuner/1.0/vts/functional/VtsHalTvTunerV1_0TargetTest.cpp
+++ b/tv/tuner/1.0/vts/functional/VtsHalTvTunerV1_0TargetTest.cpp
@@ -292,18 +292,18 @@
         ASSERT_TRUE(mFilterTests.configFilter((*config).settings, filterId));
         filterIds.insert(filterId);
     }
-    mDescramblerTests.openDescrambler(demuxId);
+    ASSERT_TRUE(mDescramblerTests.openDescrambler(demuxId));
     TunerKeyToken token;
     ASSERT_TRUE(mDescramblerTests.getKeyToken(descConfig.casSystemId, descConfig.provisionStr,
                                               descConfig.hidlPvtData, token));
-    mDescramblerTests.setKeyToken(token);
+    ASSERT_TRUE(mDescramblerTests.setKeyToken(token));
     vector<DemuxPid> pids;
     DemuxPid pid;
     for (config = mediaFilterConfs.begin(); config != mediaFilterConfs.end(); config++) {
         ASSERT_TRUE(mDescramblerTests.getDemuxPidFromFilterSettings((*config).type,
                                                                     (*config).settings, pid));
         pids.push_back(pid);
-        mDescramblerTests.addPid(pid, nullptr);
+        ASSERT_TRUE(mDescramblerTests.addPid(pid, nullptr));
     }
     for (id = filterIds.begin(); id != filterIds.end(); id++) {
         ASSERT_TRUE(mFilterTests.startFilter(*id));
@@ -316,9 +316,9 @@
         ASSERT_TRUE(mFilterTests.stopFilter(*id));
     }
     for (auto pid : pids) {
-        mDescramblerTests.removePid(pid, nullptr);
+        ASSERT_TRUE(mDescramblerTests.removePid(pid, nullptr));
     }
-    mDescramblerTests.closeDescrambler();
+    ASSERT_TRUE(mDescramblerTests.closeDescrambler());
     for (id = filterIds.begin(); id != filterIds.end(); id++) {
         ASSERT_TRUE(mFilterTests.closeFilter(*id));
     }
@@ -410,9 +410,9 @@
                                                filterArray[TS_PCR0].bufferSize));
     ASSERT_TRUE(mFilterTests.getNewlyOpenedFilterId(pcrFilterId));
     ASSERT_TRUE(mFilterTests.configFilter(filterArray[TS_PCR0].settings, pcrFilterId));
-    mDemuxTests.getAvSyncId(mediaFilter, avSyncHwId);
+    ASSERT_TRUE(mDemuxTests.getAvSyncId(mediaFilter, avSyncHwId));
     ASSERT_TRUE(pcrFilterId == avSyncHwId);
-    mDemuxTests.getAvSyncTime(pcrFilterId);
+    ASSERT_TRUE(mDemuxTests.getAvSyncTime(pcrFilterId));
     ASSERT_TRUE(mFilterTests.closeFilter(pcrFilterId));
     ASSERT_TRUE(mFilterTests.closeFilter(mediaFilterId));
     ASSERT_TRUE(mDemuxTests.closeDemux());
@@ -519,8 +519,8 @@
     ASSERT_TRUE(mFrontendTests.setFrontendCallback());
     ASSERT_TRUE(mDemuxTests.openDemux(demux, demuxId));
     ASSERT_TRUE(mDemuxTests.setDemuxFrontendDataSource(feId));
-    mDescramblerTests.openDescrambler(demuxId);
-    mDescramblerTests.closeDescrambler();
+    ASSERT_TRUE(mDescramblerTests.openDescrambler(demuxId));
+    ASSERT_TRUE(mDescramblerTests.closeDescrambler());
     ASSERT_TRUE(mDemuxTests.closeDemux());
     ASSERT_TRUE(mFrontendTests.closeFrontend());
 }