1 /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 // Tests that our utility functions for dealing with literals are correctly 17 // implemented. 18 19 #include "tensorflow/compiler/xla/tests/literal_test_util.h" 20 21 #include <vector> 22 23 #include "tensorflow/compiler/xla/test_helpers.h" 24 #include "tensorflow/core/lib/io/path.h" 25 #include "tensorflow/core/lib/strings/str_util.h" 26 #include "tensorflow/core/platform/env.h" 27 #include "tensorflow/core/platform/logging.h" 28 #include "tensorflow/core/platform/test.h" 29 30 namespace xla { 31 namespace { 32 33 TEST(LiteralTestUtilTest, ComparesEqualTuplesEqual) { 34 std::unique_ptr<Literal> literal = Literal::MakeTuple({ 35 Literal::CreateR0<int32>(42).get(), Literal::CreateR0<int32>(64).get(), 36 }); 37 LiteralTestUtil::ExpectEqual(*literal, *literal); 38 } 39 40 TEST(LiteralTestUtilTest, ComparesUnequalTuplesUnequal) { 41 // Implementation note: we have to use a death test here, because you can't 42 // un-fail an assertion failure. The CHECK-failure is death, so we can make a 43 // death assertion. 44 auto unequal_things_are_equal = [] { 45 std::unique_ptr<Literal> lhs = Literal::MakeTuple({ 46 Literal::CreateR0<int32>(42).get(), Literal::CreateR0<int32>(64).get(), 47 }); 48 std::unique_ptr<Literal> rhs = Literal::MakeTuple({ 49 Literal::CreateR0<int32>(64).get(), Literal::CreateR0<int32>(42).get(), 50 }); 51 CHECK(LiteralTestUtil::Equal(*lhs, *rhs)) << "LHS and RHS are unequal"; 52 }; 53 ASSERT_DEATH(unequal_things_are_equal(), "LHS and RHS are unequal"); 54 } 55 56 TEST(LiteralTestUtilTest, ExpectNearFailurePlacesResultsInTemporaryDirectory) { 57 auto dummy_lambda = [] { 58 auto two = Literal::CreateR0<float>(2); 59 auto four = Literal::CreateR0<float>(4); 60 ErrorSpec error(0.001); 61 CHECK(LiteralTestUtil::Near(*two, *four, error)) << "two is not near four"; 62 }; 63 64 tensorflow::Env* env = tensorflow::Env::Default(); 65 string pattern = 66 tensorflow::io::JoinPath(tensorflow::testing::TmpDir(), "/tempfile-*"); 67 std::vector<string> files; 68 TF_CHECK_OK(env->GetMatchingPaths(pattern, &files)); 69 for (const auto& f : files) { 70 TF_CHECK_OK(env->DeleteFile(f)) << f; 71 } 72 73 ASSERT_DEATH(dummy_lambda(), "two is not near four"); 74 75 // Now check we wrote temporary files to the temporary directory that we can 76 // read. 77 std::vector<string> results; 78 TF_CHECK_OK(env->GetMatchingPaths(pattern, &results)); 79 80 LOG(INFO) << "results: [" << tensorflow::str_util::Join(results, ", ") << "]"; 81 EXPECT_EQ(3, results.size()); 82 for (const string& result : results) { 83 LiteralProto literal_proto; 84 TF_CHECK_OK(tensorflow::ReadBinaryProto(tensorflow::Env::Default(), result, 85 &literal_proto)); 86 std::unique_ptr<Literal> literal = 87 Literal::CreateFromProto(literal_proto).ConsumeValueOrDie(); 88 if (result.find("expected") != string::npos) { 89 EXPECT_EQ("2", literal->ToString()); 90 } else if (result.find("actual") != string::npos) { 91 EXPECT_EQ("4", literal->ToString()); 92 } else if (result.find("miscompares") != string::npos) { 93 EXPECT_EQ("true", literal->ToString()); 94 } else { 95 FAIL() << "unknown file in temporary directory: " << result; 96 } 97 } 98 } 99 100 TEST(LiteralTestUtilTest, NearComparatorR1) { 101 auto a = 102 Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8}); 103 auto b = 104 Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8}); 105 EXPECT_TRUE(LiteralTestUtil::Near(*a, *b, ErrorSpec{0.0001})); 106 } 107 108 TEST(LiteralTestUtilTest, NearComparatorR1Nan) { 109 auto a = 110 Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, NAN, 0.5, 0.6, 0.7, 0.8}); 111 auto b = 112 Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, NAN, 0.5, 0.6, 0.7, 0.8}); 113 EXPECT_TRUE(LiteralTestUtil::Near(*a, *b, ErrorSpec{0.0001})); 114 } 115 116 TEST(LiteralTestUtil, NearComparatorDifferentLengths) { 117 auto a = 118 Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8}); 119 auto b = Literal::CreateR1<float>({0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7}); 120 EXPECT_FALSE(LiteralTestUtil::Near(*a, *b, ErrorSpec{0.0001})); 121 EXPECT_FALSE(LiteralTestUtil::Near(*b, *a, ErrorSpec{0.0001})); 122 } 123 124 } // namespace 125 } // namespace xla 126
