1 #include <gtest/gtest.h> 2 3 #include <private/dvr/numeric.h> 4 5 using TestTypes = ::testing::Types<float, double, int>; 6 7 using android::dvr::RandomInRange; 8 9 template <typename T> 10 class NumericTest : public ::testing::TestWithParam<T> { 11 public: 12 using FT = T; 13 }; 14 15 TYPED_TEST_CASE(NumericTest, TestTypes); 16 17 TYPED_TEST(NumericTest, RandomInRange) { 18 using FT = typename TestFixture::FT; 19 20 const int kNumTrials = 50; 21 const FT kLowRange = static_cast<FT>(-100); 22 const FT kHighRange = static_cast<FT>(100); 23 24 for (int i = 0; i < kNumTrials; ++i) { 25 FT value = RandomInRange(kLowRange, kHighRange); 26 27 EXPECT_LE(kLowRange, value); 28 EXPECT_GE(kHighRange, value); 29 } 30 } 31 32 TEST(RandomInRange, TestIntVersion) { 33 // This checks specifically that the function does not always give the lo 34 // value (this was previously a bug) 35 36 const int kNumTrials = 50; 37 const int kLowRange = -100; 38 const int kHighRange = 100; 39 40 for (int i = 0; i < kNumTrials; ++i) { 41 int value = RandomInRange(kLowRange, kHighRange); 42 43 if (value != kLowRange) { 44 SUCCEED(); 45 return; 46 } 47 } 48 49 FAIL() << "Did not produce a value other than the range minimum for " 50 << "integers."; 51 } 52 53 TEST(RandomInRange, TestVectorVersion) { 54 Eigen::Vector3d lo(-3.0, -4.0, -5.0); 55 Eigen::Vector3d hi(5.0, 4.0, 3.0); 56 57 const int kNumTrials = 50; 58 59 for (int i = 0; i < kNumTrials; ++i) { 60 Eigen::Vector3d result = RandomInRange(lo, hi); 61 62 for (int j = 0; j < 3; ++j) { 63 EXPECT_LE(lo[j], result[j]); 64 EXPECT_GE(hi[j], result[j]); 65 } 66 } 67 } 68
