common -> base in test dir.

15 files changed, 0 insertions, 856 deletions

diff --git a/test/common/CMakeLists.txt b/test/common/CMakeLists.txt
deleted file mode 100644
index 683c8295..00000000
--- a/test/common/CMakeLists.txt
+++ /dev/null
@@ -1,40 +0,0 @@
-add_executable(CruBaseTest
-	Event2Test.cpp
-	HandlerRegistryTest.cpp
-	PropertyTreeTest.cpp
-	SelfResolvableTest.cpp
-	StringTest.cpp
-	StringToNumberConverterTest.cpp
-	StringUtilTest.cpp
-	SubProcessTest.cpp
-)
-target_link_libraries(CruBaseTest PRIVATE CruBase CruTestBase)
-
-add_executable(CruTestHelperEcho
-	SubProcessHelper/CruEcho.cpp
-)
-
-add_executable(CruTestHelperTee
-	SubProcessHelper/CruTee.cpp
-)
-
-target_compile_definitions(CruBaseTest PRIVATE
-	CRU_TEST_HELPER_ECHO_LOCATION="$<TARGET_FILE:CruTestHelperEcho>"
-	CRU_TEST_HELPER_TEE_LOCATION="$<TARGET_FILE:CruTestHelperTee>"
-)
-
-if (UNIX AND NOT EMSCRIPTEN)
-	target_sources(CruBaseTest PRIVATE
-		platform/unix/UnixFileTest.cpp
-		platform/unix/UnixFileStreamTest.cpp
-	)
-endif()
-
-if (WIN32)
-	target_sources(CruBaseTest PRIVATE
-		platform/win/StreamConvertTest.cpp
-		platform/win/Win32FileStreamTest.cpp
-	)
-endif()
-
-cru_catch_discover_tests(CruBaseTest)
diff --git a/test/common/Event2Test.cpp b/test/common/Event2Test.cpp
deleted file mode 100644
index 0c67f28e..00000000
--- a/test/common/Event2Test.cpp
+++ /dev/null
@@ -1,54 +0,0 @@
-#include "cru/base/Event2.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-using cru::Event2;
-
-TEST_CASE("Event2", "[event2]") {
-  Event2 event;
-
-  int counter = 0;
-
-  auto handler = [&counter] { counter++; };
-  auto token = event.AddHandler(handler);
-
-  auto handler2 = [&counter](decltype(event)::Context* context) { counter++; };
-
-  SECTION("two handlers should work.") {
-    event.Raise();
-    REQUIRE(counter == 1);
-    event.Raise();
-    REQUIRE(counter == 2);
-
-    event.AddHandler(handler2);
-    event.Raise();
-    REQUIRE(counter == 4);
-  }
-
-  SECTION("handler revoker should work.") {
-    token.RevokeHandler();
-    event.Raise();
-    REQUIRE(counter == 0);
-
-    token = event.AddHandler(handler);
-    event.AddHandler(handler2);
-    event.Raise();
-    REQUIRE(counter == 2);
-
-    token.RevokeHandler();
-    event.Raise();
-    REQUIRE(counter == 3);
-  }
-
-  SECTION("stop handling should work.") {
-    auto short_circuit_handler = [&counter](decltype(event)::Context* context) {
-      context->SetStopHandling();
-    };
-
-    event.AddHandler(short_circuit_handler);
-    event.AddHandler(handler2);
-
-    event.Raise();
-    REQUIRE(counter == 1);
-  }
-}
diff --git a/test/common/HandlerRegistryTest.cpp b/test/common/HandlerRegistryTest.cpp
deleted file mode 100644
index aacef70f..00000000
--- a/test/common/HandlerRegistryTest.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#include "cru/base/HandlerRegistry.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <algorithm>
-
-TEST_CASE("HandlerRegistry", "[handler_registry]") {
-  using namespace cru;
-  HandlerRegistry<void()> registry;
-
-  int counter = 1;
-
-  auto tag1 = registry.AddHandler([&counter] { counter++; });
-  auto tag2 = registry.AddHandler([&counter] { counter++; });
-
-  for (const auto& handler : registry) {
-    handler();
-  }
-
-  REQUIRE(counter == 3);
-
-  registry.RemoveHandler(tag1);
-
-  for (const auto& handler : registry) {
-    handler();
-  }
-
-  REQUIRE(counter == 4);
-
-  registry.RemoveHandler(tag2);
-
-  for (const auto& handler : registry) {
-    handler();
-  }
-
-  REQUIRE(counter == 4);
-}
diff --git a/test/common/PropertyTreeTest.cpp b/test/common/PropertyTreeTest.cpp
deleted file mode 100644
index 24d7ca9e..00000000
--- a/test/common/PropertyTreeTest.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-#include "cru/base/PropertyTree.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-TEST_CASE("PropertyTree", "[property_tree]") {
-  using cru::PropertySubTreeRef;
-  using cru::PropertyTree;
-
-  PropertyTree tree({
-      {u"k1", u"v1"},
-      {u"k2", u"v2"},
-      {u"k3.sub", u"v3"},
-  });
-
-  REQUIRE(tree.GetValue(u"k1") == u"v1");
-  REQUIRE(tree.GetValue(u"k2") == u"v2");
-  REQUIRE(tree.GetValue(u"k3.sub") == u"v3");
-
-  PropertySubTreeRef sub_tree = tree.GetSubTreeRef(u"k3");
-  REQUIRE(sub_tree.GetValue(u"sub") == u"v3");
-
-  PropertySubTreeRef root_tree = sub_tree.GetParent();
-  REQUIRE(root_tree.GetValue(u"k1") == u"v1");
-  REQUIRE(root_tree.GetValue(u"k2") == u"v2");
-  REQUIRE(root_tree.GetValue(u"k3.sub") == u"v3");
-}
diff --git a/test/common/SelfResolvableTest.cpp b/test/common/SelfResolvableTest.cpp
deleted file mode 100644
index c214bd77..00000000
--- a/test/common/SelfResolvableTest.cpp
+++ /dev/null
@@ -1,110 +0,0 @@
-#include "cru/base/Base.h"
-#include "cru/base/SelfResolvable.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <memory>
-
-namespace {
-class SelfResolvableTestClassBase {
- public:
-  SelfResolvableTestClassBase() = default;
-  CRU_DELETE_COPY(SelfResolvableTestClassBase)
-  CRU_DEFAULT_MOVE(SelfResolvableTestClassBase)
-  virtual ~SelfResolvableTestClassBase() = default;
-};
-
-class SelfResolvableTestClass
-    : public SelfResolvableTestClassBase,
-      public cru::SelfResolvable<SelfResolvableTestClass> {
- public:
-  SelfResolvableTestClass() : ptr_(new int(123)) {}
-  CRU_DELETE_COPY(SelfResolvableTestClass)
-  CRU_DEFAULT_MOVE(SelfResolvableTestClass)
-  ~SelfResolvableTestClass() override = default;
-
- private:
-  std::shared_ptr<int> ptr_;
-};
-}  // namespace
-
-TEST_CASE("SelfResolvable resolver should work.", "[self-resolvable]") {
-  SelfResolvableTestClass test_object;
-
-  auto resolver = test_object.CreateResolver();
-  REQUIRE(resolver.Resolve() == &test_object);
-
-  auto resolver_copy = resolver;
-  REQUIRE(resolver.Resolve() == &test_object);
-  REQUIRE(resolver.Resolve() == &test_object);
-
-  auto resolver_move = std::move(resolver_copy);
-  REQUIRE(resolver.Resolve() == &test_object);
-  REQUIRE(resolver_copy.IsValid() == false);
-  REQUIRE(resolver_move.Resolve() == &test_object);
-}
-
-TEST_CASE("SelfResolvable object destructed should work.",
-          "[self-resolvable]") {
-  SelfResolvableTestClass* test_object = new SelfResolvableTestClass();
-
-  auto resolver = test_object->CreateResolver();
-  auto resolver_copy = resolver;
-
-  delete test_object;
-
-  REQUIRE(resolver.Resolve() == nullptr);
-  REQUIRE(resolver_copy.Resolve() == nullptr);
-
-  auto resolver_copy2 = resolver_copy;
-  REQUIRE(resolver_copy2.Resolve() == nullptr);
-
-  auto resolver_move = std::move(resolver_copy);
-  REQUIRE(resolver_copy.IsValid() == false);
-  REQUIRE(resolver_move.Resolve() == nullptr);
-}
-
-TEST_CASE("SelfResolvable object moved should work.", "[self-resolvable]") {
-  SelfResolvableTestClass test_object;
-
-  auto resolver = test_object.CreateResolver();
-  auto resolver_copy = resolver;
-
-  SelfResolvableTestClass moved_object = std::move(test_object);
-
-  REQUIRE(resolver.Resolve() == &moved_object);
-  REQUIRE(resolver_copy.Resolve() == &moved_object);
-
-  auto resolver_copy2 = resolver_copy;
-  REQUIRE(resolver_copy2.Resolve() == &moved_object);
-
-  auto resolver_move = std::move(resolver_copy);
-  REQUIRE(resolver_copy.IsValid() == false);
-  REQUIRE(resolver_move.Resolve() == &moved_object);
-}
-
-TEST_CASE("SelfResolvable should work for casted type.", "[self-resolvable]") {
-  auto test_object = new SelfResolvableTestClass();
-
-  cru::ObjectResolver<SelfResolvableTestClassBase> base_resolver =
-      test_object->CreateResolver();
-
-  REQUIRE(base_resolver.Resolve() == test_object);
-
-  auto base_resolver2 = base_resolver;
-  REQUIRE(base_resolver2.Resolve() == test_object);
-
-  auto base_resolver3 = std::move(base_resolver2);
-  REQUIRE(base_resolver3.Resolve() == test_object);
-
-  auto moved_object = new SelfResolvableTestClass(std::move(*test_object));
-  delete test_object;
-
-  REQUIRE(base_resolver.Resolve() == moved_object);
-  REQUIRE(base_resolver3.Resolve() == moved_object);
-
-  delete moved_object;
-
-  REQUIRE(base_resolver.Resolve() == nullptr);
-  REQUIRE(base_resolver3.Resolve() == nullptr);
-}
diff --git a/test/common/StringTest.cpp b/test/common/StringTest.cpp
deleted file mode 100644
index 9ed351e5..00000000
--- a/test/common/StringTest.cpp
+++ /dev/null
@@ -1,112 +0,0 @@
-#include "cru/base/Format.h"
-#include "cru/base/String.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-TEST_CASE("String Append", "[string]") {
-  using cru::String;
-
-  String s;
-  s.append(u"ha");
-  s.append(s);
-  REQUIRE(s == String(u"haha"));
-}
-
-TEST_CASE("String IndexConvert", "[string]") {
-  using cru::String;
-
-  String s(u"123");
-  REQUIRE(s.IndexFromCodePointToCodeUnit(1) == 1);
-  REQUIRE(s.IndexFromCodeUnitToCodePoint(1) == 1);
-  REQUIRE(s.IndexFromCodeUnitToCodePoint(3) == 3);
-  REQUIRE(s.IndexFromCodeUnitToCodePoint(3) == 3);
-}
-
-TEST_CASE("String Format", "[string]") {
-  using cru::Format;
-  using cru::String;
-
-  REQUIRE(Format(u"{} + {} = {}", 123, 321, 444) == String(u"123 + 321 = 444"));
-}
-
-TEST_CASE("String Trim", "[string]") {
-  using cru::String;
-  REQUIRE(String(u"  abc  ").Trim() == u"abc");
-}
-
-TEST_CASE("String SplitToLines", "[string]") {
-  using cru::String;
-
-  String s(u"abc\ndef\nghi");
-  auto lines = s.SplitToLines();
-  REQUIRE(lines.size() == 3);
-  REQUIRE(lines[0] == String(u"abc"));
-  REQUIRE(lines[1] == String(u"def"));
-  REQUIRE(lines[2] == String(u"ghi"));
-}
-
-TEST_CASE("String SplitToLinesWithEmptyLine", "[string]") {
-  using cru::String;
-
-  String s(u"abc\n   \ndef\n\nghi\n");
-  auto lines = s.SplitToLines();
-  REQUIRE(lines.size() == 6);
-  REQUIRE(lines[0] == String(u"abc"));
-  REQUIRE(lines[1] == String(u"   "));
-  REQUIRE(lines[2] == String(u"def"));
-  REQUIRE(lines[3] == String(u""));
-  REQUIRE(lines[4] == String(u"ghi"));
-  REQUIRE(lines[5] == String(u""));
-}
-
-TEST_CASE("String SplitToLinesRemoveSpaceLine", "[string]") {
-  using cru::String;
-
-  String s(u"abc\n   \ndef\n\nghi\n");
-  auto lines = s.SplitToLines(true);
-  REQUIRE(lines.size() == 3);
-  REQUIRE(lines[0] == String(u"abc"));
-  REQUIRE(lines[1] == String(u"def"));
-  REQUIRE(lines[2] == String(u"ghi"));
-}
-
-TEST_CASE("StringView ToUtf8", "[string]") {
-  using cru::StringView;
-  StringView utf16_text = u"aπ你🤣!";
-  std::string_view utf8_text = "aπ你🤣!";
-
-  REQUIRE(utf16_text.ToUtf8() == utf8_text);
-}
-
-TEST_CASE("String FromUtf8", "[string]") {
-  std::u16string_view utf16_text = u"aπ你🤣!";
-  std::string_view utf8_text = "aπ你🤣!";
-
-  REQUIRE(cru::String::FromUtf8(utf8_text) == utf16_text);
-}
-
-TEST_CASE("StringView ParseToDouble", "[string]") {
-  using cru::StringToNumberFlags;
-  using cru::StringView;
-  REQUIRE(StringView(u"3.14159").ParseToDouble() == 3.14159);
-  REQUIRE(
-      StringView(u"   3.14159")
-          .ParseToDouble(nullptr, StringToNumberFlags::kAllowLeadingSpaces) ==
-      3.14159);
-  REQUIRE(StringView(u"   3.14159    ")
-              .ParseToDouble(nullptr,
-                             StringToNumberFlags::kAllowLeadingSpaces |
-                                 StringToNumberFlags::kAllowTrailingSpaces) ==
-          3.14159);
-}
-
-TEST_CASE("String ParseToDoubleList", "[string]") {
-  using cru::StringView;
-
-  auto list = StringView(u" 1.23 2.34 3.45 ").ParseToDoubleList();
-
-  REQUIRE(list.size() == 3);
-  REQUIRE(list[0] == 1.23);
-  REQUIRE(list[1] == 2.34);
-  REQUIRE(list[2] == 3.45);
-}
diff --git a/test/common/StringToNumberConverterTest.cpp b/test/common/StringToNumberConverterTest.cpp
deleted file mode 100644
index 82062bdb..00000000
--- a/test/common/StringToNumberConverterTest.cpp
+++ /dev/null
@@ -1,166 +0,0 @@
-#include "cru/base/Exception.h"
-#include "cru/base/StringToNumberConverter.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-TEST_CASE("StringToIntegerConverterImpl Base0", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter({}, 0);
-  Index processed_characters_count;
-
-  REQUIRE(converter.Parse("12345678", &processed_characters_count) ==
-          StringToIntegerResult(false, 12345678));
-  REQUIRE(processed_characters_count == 8);
-
-  REQUIRE(converter.Parse("0", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 1);
-
-  REQUIRE(converter.Parse("012", &processed_characters_count) ==
-          StringToIntegerResult(false, 012));
-  REQUIRE(processed_characters_count == 3);
-
-  REQUIRE(converter.Parse("0x12", &processed_characters_count) ==
-          StringToIntegerResult(false, 0x12));
-  REQUIRE(processed_characters_count == 4);
-
-  REQUIRE(converter.Parse("0X12", &processed_characters_count) ==
-          StringToIntegerResult(false, 0x12));
-  REQUIRE(processed_characters_count == 4);
-
-  REQUIRE(converter.Parse("0b101", &processed_characters_count) ==
-          StringToIntegerResult(false, 0b101));
-  REQUIRE(processed_characters_count == 5);
-
-  REQUIRE(converter.Parse("0B101", &processed_characters_count) ==
-          StringToIntegerResult(false, 0b101));
-  REQUIRE(processed_characters_count == 5);
-
-  REQUIRE(converter.Parse("-123", &processed_characters_count) ==
-          StringToIntegerResult(true, 123));
-  REQUIRE(processed_characters_count == 4);
-
-  REQUIRE(converter.Parse("-0x10", &processed_characters_count) ==
-          StringToIntegerResult(true, 0x10));
-  REQUIRE(processed_characters_count == 5);
-}
-
-TEST_CASE("StringToIntegerConverterImpl Base0ForError", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter({}, 0);
-  Index processed_characters_count;
-
-  REQUIRE(converter.Parse("a", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-
-  REQUIRE(converter.Parse("0a", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-
-  REQUIRE(converter.Parse("0x", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-
-  REQUIRE(converter.Parse("0xx", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-
-  REQUIRE(converter.Parse(" 0", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-
-  REQUIRE(converter.Parse("0 ", &processed_characters_count) ==
-          StringToIntegerResult(false, 0));
-  REQUIRE(processed_characters_count == 0);
-}
-
-TEST_CASE("StringToIntegerConverterImpl ThrowOnErrorFlag", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(StringToNumberFlags::kThrowOnError, 0);
-  Index processed_characters_count;
-  REQUIRE_THROWS_AS(converter.Parse("?", &processed_characters_count),
-                    Exception);
-}
-
-TEST_CASE("StringToIntegerConverterImpl AllowLeadingZeroFlag", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(
-      StringToNumberFlags::kAllowLeadingSpaces, 0);
-  Index processed_characters_count;
-  REQUIRE(converter.Parse("   123", &processed_characters_count) ==
-          StringToIntegerResult(false, 123));
-  REQUIRE(processed_characters_count == 6);
-}
-
-TEST_CASE("StringToIntegerConverterImpl AllowTrailingZeroFlag", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(
-      StringToNumberFlags::kAllowTrailingSpaces, 0);
-  Index processed_characters_count;
-  REQUIRE(converter.Parse("123   ", &processed_characters_count) ==
-          StringToIntegerResult(false, 123));
-  REQUIRE(processed_characters_count == 6);
-}
-
-TEST_CASE("StringToIntegerConverterImpl AllowTrailingJunk", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(
-      StringToNumberFlags::kAllowTrailingJunk, 0);
-  Index processed_characters_count;
-  REQUIRE(converter.Parse("123 12", &processed_characters_count) ==
-          StringToIntegerResult(false, 123));
-  REQUIRE(processed_characters_count == 3);
-}
-
-TEST_CASE("StringToIntegerConverterImpl AllowLeadingZeroForInteger",
-          "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(
-      StringToNumberFlags::kAllowLeadingZeroForInteger, 0);
-  Index processed_characters_count;
-  REQUIRE(converter.Parse("0x0012", &processed_characters_count) ==
-          StringToIntegerResult(false, 0x12));
-  REQUIRE(processed_characters_count == 6);
-
-  REQUIRE(converter.Parse("000011", &processed_characters_count) ==
-          StringToIntegerResult(false, 000011));
-  REQUIRE(processed_characters_count == 6);
-
-  REQUIRE(converter.Parse("0b0011", &processed_characters_count) ==
-          StringToIntegerResult(false, 0b0011));
-  REQUIRE(processed_characters_count == 6);
-}
-
-TEST_CASE("StringToIntegerConverterImpl CompositeFlags", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter(
-      StringToNumberFlags::kAllowLeadingSpaces |
-          StringToNumberFlags::kAllowTrailingJunk |
-          StringToNumberFlags::kAllowLeadingZeroForInteger,
-      0);
-  Index processed_characters_count;
-
-  REQUIRE(converter.Parse("   0x00123!!!", &processed_characters_count) ==
-          StringToIntegerResult(false, 0x00123));
-  REQUIRE(processed_characters_count == 10);
-}
-
-TEST_CASE("StringToIntegerConverterImpl OtherBase", "[string]") {
-  using namespace cru;
-  StringToIntegerConverter converter({}, 7);
-  Index processed_characters_count;
-
-  REQUIRE(converter.Parse("12", &processed_characters_count) ==
-          StringToIntegerResult(false, 9));
-  REQUIRE(processed_characters_count == 2);
-
-  REQUIRE(converter.Parse("-12", &processed_characters_count) ==
-          StringToIntegerResult(true, 9));
-  REQUIRE(processed_characters_count == 3);
-
-  converter.base = 11;
-  REQUIRE(converter.Parse("1a", &processed_characters_count) ==
-          StringToIntegerResult(false, 21));
-  REQUIRE(processed_characters_count == 2);
-}
diff --git a/test/common/StringUtilTest.cpp b/test/common/StringUtilTest.cpp
deleted file mode 100644
index 1da6e963..00000000
--- a/test/common/StringUtilTest.cpp
+++ /dev/null
@@ -1,118 +0,0 @@
-#include "cru/base/String.h"
-#include "cru/base/StringUtil.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-using cru::Index;
-using cru::k_invalid_code_point;
-
-TEST_CASE("StringUtil Utf8NextCodePoint", "[string]") {
-  using cru::Utf8NextCodePoint;
-  std::string_view text = "aπ你🤣!";
-  Index current = 0;
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x0061);
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x03C0);
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x4F60);
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x1F923);
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x0021);
-  REQUIRE(Utf8NextCodePoint(text.data(), text.size(), current, &current) ==
-          k_invalid_code_point);
-  REQUIRE(current == static_cast<Index>(text.size()));
-}
-
-TEST_CASE("StringUtil Utf16NextCodePoint", "[string]") {
-  using cru::Utf16NextCodePoint;
-  std::u16string_view text = u"aπ你🤣!";
-  Index current = 0;
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x0061);
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x03C0);
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x4F60);
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x1F923);
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          0x0021);
-  REQUIRE(Utf16NextCodePoint(text.data(), text.size(), current, &current) ==
-          k_invalid_code_point);
-  REQUIRE(current == static_cast<Index>(text.size()));
-}
-
-TEST_CASE("StringUtil Utf16PreviousCodePoint", "[string]") {
-  using cru::Utf16PreviousCodePoint;
-  std::u16string_view text = u"aπ你🤣!";
-  Index current = text.size();
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          0x0021);
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          0x1F923);
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          0x4F60);
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          0x03C0);
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          0x0061);
-  REQUIRE(Utf16PreviousCodePoint(text.data(), text.size(), current, &current) ==
-          k_invalid_code_point);
-  REQUIRE(current == 0);
-}
-
-TEST_CASE("StringUtil Utf8CodePointIterator", "[string]") {
-  using cru::Utf8CodePointIterator;
-  std::string_view text = "aπ你🤣!";
-  std::vector<cru::CodePoint> code_points;
-
-  for (auto cp : Utf8CodePointIterator(text.data(), text.size())) {
-    code_points.push_back(cp);
-  }
-
-  std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
-                                                   0x1F923, 0x0021};
-
-  REQUIRE(code_points == expected_code_points);
-}
-
-TEST_CASE("StringUtil Utf16CodePointIterator", "[string]") {
-  using cru::Utf16CodePointIterator;
-  std::u16string_view text = u"aπ你🤣!";
-  std::vector<cru::CodePoint> code_points;
-
-  for (auto cp : Utf16CodePointIterator(text.data(), text.size())) {
-    code_points.push_back(cp);
-  }
-
-  std::vector<cru::CodePoint> expected_code_points{0x0061, 0x03C0, 0x4F60,
-                                                   0x1F923, 0x0021};
-
-  REQUIRE(code_points == expected_code_points);
-}
-
-// TEST(WinString, IndexUtf8ToUtf16) {
-//   using cru::platform::win::IndexUtf8ToUtf16;
-//   std::string_view utf8_string = "aπ你🤣!";
-//   std::wstring_view utf16_string = L"aπ你🤣!";
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 0, utf16_string), 0);
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 1, utf16_string), 1);
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 3, utf16_string), 2);
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 6, utf16_string), 3);
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 10, utf16_string), 5);
-//   REQUIRE(IndexUtf8ToUtf16(utf8_string, 11, utf16_string), 6);
-// }
-
-// TEST(WinString, IndexUtf16ToUtf8) {
-//   using cru::platform::win::IndexUtf16ToUtf8;
-//   std::string_view utf8_string = "aπ你🤣!";
-//   std::wstring_view utf16_string = L"aπ你🤣!";
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 0, utf8_string), 0);
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 1, utf8_string), 1);
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 2, utf8_string), 3);
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 3, utf8_string), 6);
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 5, utf8_string), 10);
-//   REQUIRE(IndexUtf16ToUtf8(utf16_string, 6, utf8_string), 11);
-// }
diff --git a/test/common/SubProcessHelper/CruEcho.cpp b/test/common/SubProcessHelper/CruEcho.cpp
deleted file mode 100644
index 5f23c027..00000000
--- a/test/common/SubProcessHelper/CruEcho.cpp
+++ /dev/null
@@ -1,9 +0,0 @@
-#include <iostream>
-
-int main(int argc, char* argv[]) {
-  for (int i = 1; i < argc - 1; ++i) {
-    std::cout << argv[i] << " ";
-  }
-  std::cout << argv[argc - 1];
-  return 0;
-}
diff --git a/test/common/SubProcessHelper/CruTee.cpp b/test/common/SubProcessHelper/CruTee.cpp
deleted file mode 100644
index 4470d2a8..00000000
--- a/test/common/SubProcessHelper/CruTee.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-#include <iostream>
-#include <string>
-
-int main() {
-  std::string s;
-  while (std::cin >> s) {
-    std::cout << s;
-  }
-  return 0;
-}
diff --git a/test/common/SubProcessTest.cpp b/test/common/SubProcessTest.cpp
deleted file mode 100644
index d353dec0..00000000
--- a/test/common/SubProcessTest.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-#include "cru/base/String.h"
-#include "cru/base/SubProcess.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-using cru::String;
-using cru::SubProcess;
-
-TEST_CASE("SubProcess", "[subprocess]") {
-  SECTION("echo should work.") {
-    SubProcess process = SubProcess::Create(
-        String::FromUtf8(CRU_TEST_HELPER_ECHO_LOCATION), {u"abc"});
-    process.Wait();
-    REQUIRE(process.GetExitResult().IsSuccess());
-    auto output = process.GetStdoutStream()->ReadToEndAsUtf8String();
-    REQUIRE(output == u"abc");
-  }
-
-  SECTION("tee should work.") {
-    constexpr auto str = "abc";
-    SubProcess process =
-        SubProcess::Create(String::FromUtf8(CRU_TEST_HELPER_TEE_LOCATION));
-    process.GetStdinStream()->Write(str, 3);
-    process.GetStdinStream()->Close();
-    process.Wait();
-    REQUIRE(process.GetExitResult().IsSuccess());
-    auto output = process.GetStdoutStream()->ReadToEndAsUtf8String();
-    REQUIRE(output == u"abc");
-  }
-}
diff --git a/test/common/platform/unix/UnixFileStreamTest.cpp b/test/common/platform/unix/UnixFileStreamTest.cpp
deleted file mode 100644
index 417fccc2..00000000
--- a/test/common/platform/unix/UnixFileStreamTest.cpp
+++ /dev/null
@@ -1,30 +0,0 @@
-#include "cru/base/platform/unix/UnixFileStream.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <fcntl.h>
-#include <filesystem>
-
-TEST_CASE("UnixFileStream Work", "[stream]") {
-  using namespace cru;
-  using namespace cru::io;
-  using namespace cru::platform::unix;
-
-  auto temp_file_path =
-      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
-          .generic_string();
-  mkstemp(temp_file_path.data());
-
-  UnixFileStream file(temp_file_path.c_str(), O_WRONLY | O_CREAT);
-  file.Write("abc", 3);
-  file.Close();
-
-  UnixFileStream file2(temp_file_path.c_str(), O_RDONLY);
-  auto buffer = std::make_unique<std::byte[]>(3);
-  file2.Read(buffer.get(), 3);
-  REQUIRE(std::string_view(reinterpret_cast<const char*>(buffer.get()), 3) ==
-          "abc");
-  file2.Close();
-
-  std::filesystem::remove(temp_file_path);
-}
diff --git a/test/common/platform/unix/UnixFileTest.cpp b/test/common/platform/unix/UnixFileTest.cpp
deleted file mode 100644
index d5bba0db..00000000
--- a/test/common/platform/unix/UnixFileTest.cpp
+++ /dev/null
@@ -1,38 +0,0 @@
-
-#include "cru/base/platform/unix/UnixFileStream.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <fcntl.h>
-#include <filesystem>
-
-TEST_CASE("UnixFile Work", "[unix]") {
-  using namespace cru;
-  using namespace cru::platform::unix;
-
-  auto calledTimes = 0;
-  auto mockClose = [&calledTimes](int _) {
-    calledTimes += 1;
-    return 0;
-  };
-
-  auto temp_file_path =
-      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
-          .generic_string();
-  mkstemp(temp_file_path.data());
-
-  auto fdNumber = ::open(temp_file_path.c_str(), O_WRONLY | O_CREAT);
-
-  {
-    UnixFileDescriptor fd(fdNumber, true, std::move(mockClose));
-    REQUIRE(calledTimes == 0);
-    UnixFileDescriptor fd2(std::move(fd));
-    REQUIRE(calledTimes == 0);
-    UnixFileDescriptor fd3;
-    fd3 = std::move(fd2);
-    REQUIRE(calledTimes == 0);
-  }
-  REQUIRE(calledTimes == 1);
-
-  std::filesystem::remove(temp_file_path);
-}
diff --git a/test/common/platform/win/StreamConvertTest.cpp b/test/common/platform/win/StreamConvertTest.cpp
deleted file mode 100644
index 90ebb568..00000000
--- a/test/common/platform/win/StreamConvertTest.cpp
+++ /dev/null
@@ -1,39 +0,0 @@
-#include "cru/base/io/OpenFileFlag.h"
-#include "cru/base/platform/win/Exception.h"
-#include "cru/base/platform/win/StreamConvert.h"
-#include "cru/base/platform/win/Win32FileStream.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <cstdio>
-#include <filesystem>
-
-TEST_CASE("StreamConvert FileStreamWork", "[stream]") {
-  using namespace cru;
-  using namespace cru::io;
-  using namespace cru::platform::win;
-
-  auto temp_file_path =
-      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
-          .native();
-  _wmktemp(temp_file_path.data());
-
-  String path = temp_file_path;
-
-  Win32FileStream file(path, OpenFileFlags::Write | OpenFileFlags::Create);
-  file.Write("abc", 3);
-  file.Close();
-
-  Win32FileStream file2(path, OpenFileFlags::Read);
-  IStream* com_stream = ConvertStreamToComStream(&file2);
-  LARGE_INTEGER position;
-  position.QuadPart = 0;
-  ThrowIfFailed(com_stream->Seek(position, SEEK_SET, nullptr));
-  auto buffer = std::make_unique<char[]>(3);
-  ThrowIfFailed(com_stream->Read(buffer.get(), 3, nullptr));
-  REQUIRE(std::string_view(buffer.get(), 3) == "abc");
-  com_stream->Release();
-  file2.Close();
-
-  std::filesystem::remove(temp_file_path);
-}
diff --git a/test/common/platform/win/Win32FileStreamTest.cpp b/test/common/platform/win/Win32FileStreamTest.cpp
deleted file mode 100644
index dc2f49d4..00000000
--- a/test/common/platform/win/Win32FileStreamTest.cpp
+++ /dev/null
@@ -1,37 +0,0 @@
-#include "cru/base/io/OpenFileFlag.h"
-#include "cru/base/platform/win/Win32FileStream.h"
-
-#include <catch2/catch_test_macros.hpp>
-
-#include <cstdio>
-#include <filesystem>
-
-TEST_CASE("Win32FileStream Work", "[stream]") {
-  using namespace cru;
-  using namespace cru::io;
-  using namespace cru::platform::win;
-
-  auto temp_file_path =
-      (std::filesystem::temp_directory_path() / "cru_test_temp.XXXXXX")
-          .native();
-  _wmktemp(temp_file_path.data());
-
-  String path = temp_file_path;
-
-  Win32FileStream file(path, OpenFileFlags::Write | OpenFileFlags::Create);
-  auto write_count = file.Write("abc", 3);
-  REQUIRE(write_count == 3);
-  file.Close();
-
-  REQUIRE(std::filesystem::file_size(path.ToUtf8()) == 3);
-
-  Win32FileStream file2(path, OpenFileFlags::Read);
-  auto buffer = std::make_unique<std::byte[]>(3);
-  auto read_count = file2.Read(buffer.get(), 3);
-  REQUIRE(read_count == 3);
-  REQUIRE(std::string_view(reinterpret_cast<const char*>(buffer.get()), 3) ==
-          "abc");
-  file2.Close();
-
-  std::filesystem::remove(temp_file_path);
-}