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Diffstat (limited to 'absl/strings/internal/cord_data_edge_test.cc')
-rw-r--r-- | absl/strings/internal/cord_data_edge_test.cc | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/absl/strings/internal/cord_data_edge_test.cc b/absl/strings/internal/cord_data_edge_test.cc new file mode 100644 index 00000000..8fce3bc6 --- /dev/null +++ b/absl/strings/internal/cord_data_edge_test.cc @@ -0,0 +1,130 @@ +// Copyright 2022 The Abseil Authors +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "absl/strings/internal/cord_data_edge.h" + +#include "gmock/gmock.h" +#include "gtest/gtest.h" +#include "absl/strings/internal/cord_internal.h" +#include "absl/strings/internal/cord_rep_test_util.h" + +namespace absl { +ABSL_NAMESPACE_BEGIN +namespace cord_internal { +namespace { + +using ::absl::cordrep_testing::MakeExternal; +using ::absl::cordrep_testing::MakeFlat; +using ::absl::cordrep_testing::MakeSubstring; + +TEST(CordDataEdgeTest, IsDataEdgeOnFlat) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + EXPECT_TRUE(IsDataEdge(rep)); + CordRep::Unref(rep); +} + +TEST(CordDataEdgeTest, IsDataEdgeOnExternal) { + CordRep* rep = MakeExternal("Lorem ipsum dolor sit amet, consectetur ..."); + EXPECT_TRUE(IsDataEdge(rep)); + CordRep::Unref(rep); +} + +TEST(CordDataEdgeTest, IsDataEdgeOnSubstringOfFlat) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + CordRep* substr = MakeSubstring(1, 20, rep); + EXPECT_TRUE(IsDataEdge(substr)); + CordRep::Unref(substr); +} + +TEST(CordDataEdgeTest, IsDataEdgeOnSubstringOfExternal) { + CordRep* rep = MakeExternal("Lorem ipsum dolor sit amet, consectetur ..."); + CordRep* substr = MakeSubstring(1, 20, rep); + EXPECT_TRUE(IsDataEdge(substr)); + CordRep::Unref(substr); +} + +TEST(CordDataEdgeTest, IsDataEdgeOnBtree) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + CordRepBtree* tree = CordRepBtree::New(rep); + EXPECT_FALSE(IsDataEdge(tree)); + CordRep::Unref(tree); +} + +TEST(CordDataEdgeTest, IsDataEdgeOnBadSubstr) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + CordRep* substr = MakeSubstring(1, 18, MakeSubstring(1, 20, rep)); + EXPECT_FALSE(IsDataEdge(substr)); + CordRep::Unref(substr); +} + +TEST(CordDataEdgeTest, EdgeDataOnFlat) { + absl::string_view value = "Lorem ipsum dolor sit amet, consectetur ..."; + CordRep* rep = MakeFlat(value); + EXPECT_EQ(EdgeData(rep), value); + CordRep::Unref(rep); +} + +TEST(CordDataEdgeTest, EdgeDataOnExternal) { + absl::string_view value = "Lorem ipsum dolor sit amet, consectetur ..."; + CordRep* rep = MakeExternal(value); + EXPECT_EQ(EdgeData(rep), value); + CordRep::Unref(rep); +} + +TEST(CordDataEdgeTest, EdgeDataOnSubstringOfFlat) { + absl::string_view value = "Lorem ipsum dolor sit amet, consectetur ..."; + CordRep* rep = MakeFlat(value); + CordRep* substr = MakeSubstring(1, 20, rep); + EXPECT_EQ(EdgeData(substr), value.substr(1, 20)); + CordRep::Unref(substr); +} + +TEST(CordDataEdgeTest, EdgeDataOnSubstringOfExternal) { + absl::string_view value = "Lorem ipsum dolor sit amet, consectetur ..."; + CordRep* rep = MakeExternal(value); + CordRep* substr = MakeSubstring(1, 20, rep); + EXPECT_EQ(EdgeData(substr), value.substr(1, 20)); + CordRep::Unref(substr); +} + +#if defined(GTEST_HAS_DEATH_TEST) && !defined(NDEBUG) + +TEST(CordDataEdgeTest, IsDataEdgeOnNullPtr) { + EXPECT_DEATH(IsDataEdge(nullptr), ".*"); +} + +TEST(CordDataEdgeTest, EdgeDataOnNullPtr) { + EXPECT_DEATH(EdgeData(nullptr), ".*"); +} + +TEST(CordDataEdgeTest, EdgeDataOnBtree) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + CordRepBtree* tree = CordRepBtree::New(rep); + EXPECT_DEATH(EdgeData(tree), ".*"); + CordRep::Unref(tree); +} + +TEST(CordDataEdgeTest, EdgeDataOnBadSubstr) { + CordRep* rep = MakeFlat("Lorem ipsum dolor sit amet, consectetur ..."); + CordRep* substr = MakeSubstring(1, 18, MakeSubstring(1, 20, rep)); + EXPECT_DEATH(EdgeData(substr), ".*"); + CordRep::Unref(substr); +} + +#endif // GTEST_HAS_DEATH_TEST && !NDEBUG + +} // namespace +} // namespace cord_internal +ABSL_NAMESPACE_END +} // namespace absl |