Rework inception block tests

examples/inception_v3/tests/test_fixture.hpp

@@ -0,0 +1,50 @@
+#ifndef TEST_FIXTURE_H
+#define TEST_FIXTURE_H
+
+#include <cmath>
+#include <gtest/gtest.h>
+
+#include "inception_v3.hpp"
+
+class InceptionBlockTest : public ::testing::Test {
+  protected:
+    CUDANet::Model *model;
+
+    cudaError_t cudaStatus;
+
+    shape2d inputShape;
+    int     inputChannels;
+
+    int outputSize;
+
+    std::vector<float> input;
+    std::vector<float> expected;
+
+    virtual void SetUp() override {
+        model = nullptr;
+    }
+
+    virtual void TearDown() override {
+        // Clean up
+        delete model;
+    }
+
+    void runTest() {
+        EXPECT_EQ(
+            input.size(), inputShape.first * inputShape.second * inputChannels
+        );
+
+        float *output = model->predict(input.data());
+
+        cudaStatus = cudaGetLastError();
+        EXPECT_EQ(cudaStatus, cudaSuccess);
+
+        EXPECT_EQ(outputSize, expected.size());
+
+        for (int i = 0; i < outputSize; ++i) {
+            EXPECT_NEAR(expected[i], output[i], 1e-3f);
+        }
+    }
+};
+
+#endif