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Diffstat (limited to 'third_party/abseil_cpp/absl/strings/substitute_test.cc')
| -rw-r--r-- | third_party/abseil_cpp/absl/strings/substitute_test.cc | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/third_party/abseil_cpp/absl/strings/substitute_test.cc b/third_party/abseil_cpp/absl/strings/substitute_test.cc new file mode 100644 index 0000000000..442c921528 --- /dev/null +++ b/third_party/abseil_cpp/absl/strings/substitute_test.cc @@ -0,0 +1,204 @@ +// Copyright 2017 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/substitute.h" + +#include <cstdint> +#include <vector> + +#include "gtest/gtest.h" +#include "absl/strings/str_cat.h" + +namespace { + +TEST(SubstituteTest, Substitute) { + // Basic. + EXPECT_EQ("Hello, world!", absl::Substitute("$0, $1!", "Hello", "world")); + + // Non-char* types. + EXPECT_EQ("123 0.2 0.1 foo true false x", + absl::Substitute("$0 $1 $2 $3 $4 $5 $6", 123, 0.2, 0.1f, + std::string("foo"), true, false, 'x')); + + // All int types. + EXPECT_EQ( + "-32767 65535 " + "-1234567890 3234567890 " + "-1234567890 3234567890 " + "-1234567890123456789 9234567890123456789", + absl::Substitute( + "$0 $1 $2 $3 $4 $5 $6 $7", + static_cast<short>(-32767), // NOLINT(runtime/int) + static_cast<unsigned short>(65535), // NOLINT(runtime/int) + -1234567890, 3234567890U, -1234567890L, 3234567890UL, + -int64_t{1234567890123456789}, uint64_t{9234567890123456789u})); + + // Hex format + EXPECT_EQ("0 1 f ffff0ffff 0123456789abcdef", + absl::Substitute("$0$1$2$3$4 $5", // + absl::Hex(0), absl::Hex(1, absl::kSpacePad2), + absl::Hex(0xf, absl::kSpacePad2), + absl::Hex(int16_t{-1}, absl::kSpacePad5), + absl::Hex(int16_t{-1}, absl::kZeroPad5), + absl::Hex(0x123456789abcdef, absl::kZeroPad16))); + + // Dec format + EXPECT_EQ("0 115 -1-0001 81985529216486895", + absl::Substitute("$0$1$2$3$4 $5", // + absl::Dec(0), absl::Dec(1, absl::kSpacePad2), + absl::Dec(0xf, absl::kSpacePad2), + absl::Dec(int16_t{-1}, absl::kSpacePad5), + absl::Dec(int16_t{-1}, absl::kZeroPad5), + absl::Dec(0x123456789abcdef, absl::kZeroPad16))); + + // Pointer. + const int* int_p = reinterpret_cast<const int*>(0x12345); + std::string str = absl::Substitute("$0", int_p); + EXPECT_EQ(absl::StrCat("0x", absl::Hex(int_p)), str); + + // Volatile Pointer. + // Like C++ streamed I/O, such pointers implicitly become bool + volatile int vol = 237; + volatile int *volatile volptr = &vol; + str = absl::Substitute("$0", volptr); + EXPECT_EQ("true", str); + + // null is special. StrCat prints 0x0. Substitute prints NULL. + const uint64_t* null_p = nullptr; + str = absl::Substitute("$0", null_p); + EXPECT_EQ("NULL", str); + + // char* is also special. + const char* char_p = "print me"; + str = absl::Substitute("$0", char_p); + EXPECT_EQ("print me", str); + + char char_buf[16]; + strncpy(char_buf, "print me too", sizeof(char_buf)); + str = absl::Substitute("$0", char_buf); + EXPECT_EQ("print me too", str); + + // null char* is "doubly" special. Represented as the empty string. + char_p = nullptr; + str = absl::Substitute("$0", char_p); + EXPECT_EQ("", str); + + // Out-of-order. + EXPECT_EQ("b, a, c, b", absl::Substitute("$1, $0, $2, $1", "a", "b", "c")); + + // Literal $ + EXPECT_EQ("$", absl::Substitute("$$")); + + EXPECT_EQ("$1", absl::Substitute("$$1")); + + // Test all overloads. + EXPECT_EQ("a", absl::Substitute("$0", "a")); + EXPECT_EQ("a b", absl::Substitute("$0 $1", "a", "b")); + EXPECT_EQ("a b c", absl::Substitute("$0 $1 $2", "a", "b", "c")); + EXPECT_EQ("a b c d", absl::Substitute("$0 $1 $2 $3", "a", "b", "c", "d")); + EXPECT_EQ("a b c d e", + absl::Substitute("$0 $1 $2 $3 $4", "a", "b", "c", "d", "e")); + EXPECT_EQ("a b c d e f", absl::Substitute("$0 $1 $2 $3 $4 $5", "a", "b", "c", + "d", "e", "f")); + EXPECT_EQ("a b c d e f g", absl::Substitute("$0 $1 $2 $3 $4 $5 $6", "a", "b", + "c", "d", "e", "f", "g")); + EXPECT_EQ("a b c d e f g h", + absl::Substitute("$0 $1 $2 $3 $4 $5 $6 $7", "a", "b", "c", "d", "e", + "f", "g", "h")); + EXPECT_EQ("a b c d e f g h i", + absl::Substitute("$0 $1 $2 $3 $4 $5 $6 $7 $8", "a", "b", "c", "d", + "e", "f", "g", "h", "i")); + EXPECT_EQ("a b c d e f g h i j", + absl::Substitute("$0 $1 $2 $3 $4 $5 $6 $7 $8 $9", "a", "b", "c", + "d", "e", "f", "g", "h", "i", "j")); + EXPECT_EQ("a b c d e f g h i j b0", + absl::Substitute("$0 $1 $2 $3 $4 $5 $6 $7 $8 $9 $10", "a", "b", "c", + "d", "e", "f", "g", "h", "i", "j")); + + const char* null_cstring = nullptr; + EXPECT_EQ("Text: ''", absl::Substitute("Text: '$0'", null_cstring)); +} + +TEST(SubstituteTest, SubstituteAndAppend) { + std::string str = "Hello"; + absl::SubstituteAndAppend(&str, ", $0!", "world"); + EXPECT_EQ("Hello, world!", str); + + // Test all overloads. + str.clear(); + absl::SubstituteAndAppend(&str, "$0", "a"); + EXPECT_EQ("a", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1", "a", "b"); + EXPECT_EQ("a b", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2", "a", "b", "c"); + EXPECT_EQ("a b c", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3", "a", "b", "c", "d"); + EXPECT_EQ("a b c d", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4", "a", "b", "c", "d", "e"); + EXPECT_EQ("a b c d e", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4 $5", "a", "b", "c", "d", "e", + "f"); + EXPECT_EQ("a b c d e f", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4 $5 $6", "a", "b", "c", "d", + "e", "f", "g"); + EXPECT_EQ("a b c d e f g", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4 $5 $6 $7", "a", "b", "c", "d", + "e", "f", "g", "h"); + EXPECT_EQ("a b c d e f g h", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4 $5 $6 $7 $8", "a", "b", "c", + "d", "e", "f", "g", "h", "i"); + EXPECT_EQ("a b c d e f g h i", str); + str.clear(); + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3 $4 $5 $6 $7 $8 $9", "a", "b", + "c", "d", "e", "f", "g", "h", "i", "j"); + EXPECT_EQ("a b c d e f g h i j", str); +} + +TEST(SubstituteTest, VectorBoolRef) { + std::vector<bool> v = {true, false}; + const auto& cv = v; + EXPECT_EQ("true false true false", + absl::Substitute("$0 $1 $2 $3", v[0], v[1], cv[0], cv[1])); + + std::string str = "Logic be like: "; + absl::SubstituteAndAppend(&str, "$0 $1 $2 $3", v[0], v[1], cv[0], cv[1]); + EXPECT_EQ("Logic be like: true false true false", str); +} + +#ifdef GTEST_HAS_DEATH_TEST + +TEST(SubstituteDeathTest, SubstituteDeath) { + EXPECT_DEBUG_DEATH( + static_cast<void>(absl::Substitute(absl::string_view("-$2"), "a", "b")), + "Invalid absl::Substitute\\(\\) format string: asked for \"\\$2\", " + "but only 2 args were given."); + EXPECT_DEBUG_DEATH( + static_cast<void>(absl::Substitute(absl::string_view("-$z-"))), + "Invalid absl::Substitute\\(\\) format string: \"-\\$z-\""); + EXPECT_DEBUG_DEATH( + static_cast<void>(absl::Substitute(absl::string_view("-$"))), + "Invalid absl::Substitute\\(\\) format string: \"-\\$\""); +} + +#endif // GTEST_HAS_DEATH_TEST + +} // namespace |