Benchmark: add  asserts for common failures in native tests

This patch also updates 'cout' to ALOG for Atest and changes
related to formatting

Test: extractorTest -P /data/local/tmp/res/
Test: muxerTest -P /data/local/tmp/res/
Test: decoderTest -P /data/local/tmp/res/
Test: encoderTest -P /data/local/tmp/res/
Test: C2DecoderTest -P /data/local/tmp/res/
Test: C2EncoderTest -P /data/local/tmp/res/

Bug: 146623471

Change-Id: I9adc20ef994cba81482185f64fcbd6a266f0d417
diff --git a/media/tests/benchmark/tests/DecoderTest.cpp b/media/tests/benchmark/tests/DecoderTest.cpp
index fa37435..5c6aa5b 100644
--- a/media/tests/benchmark/tests/DecoderTest.cpp
+++ b/media/tests/benchmark/tests/DecoderTest.cpp
@@ -21,8 +21,8 @@
 #include <iostream>
 #include <limits>
 
-#include "Decoder.h"
 #include "BenchmarkTestEnvironment.h"
+#include "Decoder.h"
 
 static BenchmarkTestEnvironment *gEnv = nullptr;
 
@@ -34,41 +34,30 @@
 
     string inputFile = gEnv->getRes() + get<0>(params);
     FILE *inputFp = fopen(inputFile.c_str(), "rb");
-    if (!inputFp) {
-        cout << "[   WARN   ] Test Skipped. Unable to open input file for reading \n";
-        return;
-    }
+    ASSERT_NE(inputFp, nullptr) << "Unable to open " << inputFile << " file for reading";
 
     Decoder *decoder = new Decoder();
+    ASSERT_NE(decoder, nullptr) << "Decoder creation failed";
+
     Extractor *extractor = decoder->getExtractor();
-    if (!extractor) {
-        cout << "[   WARN   ] Test Skipped. Extractor creation failed \n";
-        return;
-    }
+    ASSERT_NE(extractor, nullptr) << "Extractor creation failed";
 
     // Read file properties
-    fseek(inputFp, 0, SEEK_END);
-    size_t fileSize = ftell(inputFp);
-    fseek(inputFp, 0, SEEK_SET);
+    struct stat buf;
+    stat(inputFile.c_str(), &buf);
+    size_t fileSize = buf.st_size;
     int32_t fd = fileno(inputFp);
 
     int32_t trackCount = extractor->initExtractor(fd, fileSize);
-    if (trackCount <= 0) {
-        cout << "[   WARN   ] Test Skipped. initExtractor failed\n";
-        return;
-    }
+    ASSERT_GT(trackCount, 0) << "initExtractor failed";
+
     for (int curTrack = 0; curTrack < trackCount; curTrack++) {
         int32_t status = extractor->setupTrackFormat(curTrack);
-        if (status != 0) {
-            cout << "[   WARN   ] Test Skipped. Track Format invalid \n";
-            return;
-        }
+        ASSERT_EQ(status, 0) << "Track Format invalid";
 
         uint8_t *inputBuffer = (uint8_t *)malloc(kMaxBufferSize);
-        if (!inputBuffer) {
-            cout << "[   WARN   ] Test Skipped. Insufficient memory \n";
-            return;
-        }
+        ASSERT_NE(inputBuffer, nullptr) << "Insufficient memory";
+
         vector<AMediaCodecBufferInfo> frameInfo;
         AMediaCodecBufferInfo info;
         uint32_t inputBufferOffset = 0;
@@ -78,11 +67,9 @@
             status = extractor->getFrameSample(info);
             if (status || !info.size) break;
             // copy the meta data and buffer to be passed to decoder
-            if (inputBufferOffset + info.size > kMaxBufferSize) {
-                cout << "[   WARN   ] Test Skipped. Memory allocated not sufficient\n";
-                free(inputBuffer);
-                return;
-            }
+            ASSERT_LE(inputBufferOffset + info.size, kMaxBufferSize)
+                    << "Memory allocated not sufficient";
+
             memcpy(inputBuffer + inputBufferOffset, extractor->getFrameBuf(), info.size);
             frameInfo.push_back(info);
             inputBufferOffset += info.size;
@@ -92,13 +79,10 @@
         bool asyncMode = get<2>(params);
         decoder->setupDecoder();
         status = decoder->decode(inputBuffer, frameInfo, codecName, asyncMode);
-        if (status != AMEDIA_OK) {
-            cout << "[   WARN   ] Test Failed. Decode returned error " << status << endl;
-            free(inputBuffer);
-            return;
-        }
+        ASSERT_EQ(status, AMEDIA_OK) << "Decoder failed for " << codecName;
+
         decoder->deInitCodec();
-        cout << "codec : " << codecName << endl;
+        ALOGV("codec : %s", codecName.c_str());
         string inputReference = get<0>(params);
         decoder->dumpStatistics(inputReference);
         free(inputBuffer);