Switch to gtest

.clang-format

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+---
+BasedOnStyle: Google
+AccessModifierOffset: '-1'
+AlignAfterOpenBracket: Align
+AlignConsecutiveMacros: 'true'
+AlignConsecutiveAssignments: 'false'
+AlignConsecutiveDeclarations: 'false'
+AlignEscapedNewlines: Right
+AlignOperands: 'true'
+AlignTrailingComments: 'true'
+AllowAllArgumentsOnNextLine: 'true'
+AllowAllConstructorInitializersOnNextLine: 'true'
+AllowShortBlocksOnASingleLine: 'false'
+AllowShortCaseLabelsOnASingleLine: 'true'
+AllowShortFunctionsOnASingleLine: Inline
+AllowShortIfStatementsOnASingleLine: WithoutElse
+AllowShortLambdasOnASingleLine: All
+AllowShortLoopsOnASingleLine: 'false'
+AlwaysBreakAfterReturnType: None
+AlwaysBreakBeforeMultilineStrings: 'false'
+AlwaysBreakTemplateDeclarations: 'Yes'
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Custom
+BreakBeforeTernaryOperators: 'true'
+BreakConstructorInitializers: AfterColon
+BreakInheritanceList: AfterColon
+BreakStringLiterals: 'true'
+ColumnLimit: '120'
+CompactNamespaces: 'false'
+ConstructorInitializerAllOnOneLineOrOnePerLine: 'true'
+Cpp11BracedListStyle: 'true'
+FixNamespaceComments: 'true'
+IncludeBlocks: Preserve
+IndentCaseLabels: 'true'
+IndentPPDirectives: None
+IndentWidth: '2'
+IndentWrappedFunctionNames: 'false'
+KeepEmptyLinesAtTheStartOfBlocks: 'true'
+Language: Cpp
+MaxEmptyLinesToKeep: '1'
+NamespaceIndentation: None
+PointerAlignment: Left
+SortIncludes: 'false'
+SpaceAfterCStyleCast: 'false'
+SpaceAfterLogicalNot: 'false'
+SpaceAfterTemplateKeyword: 'false'
+SpaceBeforeAssignmentOperators: 'true'
+SpaceBeforeCpp11BracedList: 'false'
+SpaceBeforeCtorInitializerColon: 'true'
+SpaceBeforeInheritanceColon: 'true'
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: 'true'
+SpaceInEmptyParentheses: 'false'
+SpacesInAngles: 'false'
+SpacesInCStyleCastParentheses: 'false'
+SpacesInContainerLiterals: 'false'
+SpacesInParentheses: 'false'
+SpacesInSquareBrackets: 'false'
+Standard: Auto
+TabWidth: '2'
+UseTab: Never
+
+...

.clang-tidy

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+# Settings for clang-tidy
+#
+# Supports the following options:
+#
+#   Checks:          '-*,some-check'
+#   WarningsAsErrors: ''
+#   HeaderFilterRegex: ''
+#   FormatStyle:     none
+#   User:            user
+#   CheckOptions:
+#     - key:             some-check.SomeOption
+#       value:           'some value'
+
+Checks:            'bugprone-*,
+                      -bugprone-easily-swappable-parameters,
+                    clang-analyzer-*,
+                    performance-*,
+                    portability-*'
+WarningsAsErrors:  'bugprone-*,
+                      -bugprone-easily-swappable-parameters,
+                    clang-analyzer-*,
+                    performance-*,
+                    portability-*'
+FormatStyle:       none

.cppcheck-suppress

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+// Settings for cppcheck
+//
+// Suppresses errors that match the format:
+//
+//         [error id]:[filename]:[line]
+//
+// The [filename] and [line] are optional. If [error id]
+// is a wildcard '*', all error ids match. 

.sanitizer-blacklist

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+# Sanitizer blacklist file
+# Ignore functions with fun:x
+# Ignore files with src:x

.vscode/c_cpp_properties.json

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+{
+    "configurations": [
+        {
+            "name": "Linux",
+            "includePath": [
+                "${workspaceFolder}/**"
+            ],
+            "defines": [],
+            "compilerPath": "/usr/bin/gcc",
+            "cStandard": "c17",
+            "cppStandard": "gnu++17",
+            "intelliSenseMode": "linux-gcc-x64"
+        }
+    ],
+    "version": 4
+}

.vscode/launch.json

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+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(ctest) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            // Resolved by CMake Tools:
+            "cwd": "${cmake.testWorkingDirectory}",
+            "program": "${cmake.testProgram}",
+            "args": [
+                "${cmake.testArgs}"
+            ],
+        }
+    ]
+}

.vscode/settings.json

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+{
+    "files.associations": {
+        "semaphore": "cpp",
+        "stop_token": "cpp",
+        "any": "cpp",
+        "array": "cpp",
+        "atomic": "cpp",
+        "bit": "cpp",
+        "*.tcc": "cpp",
+        "cctype": "cpp",
+        "chrono": "cpp",
+        "clocale": "cpp",
+        "cmath": "cpp",
+        "compare": "cpp",
+        "concepts": "cpp",
+        "condition_variable": "cpp",
+        "csignal": "cpp",
+        "cstdarg": "cpp",
+        "cstddef": "cpp",
+        "cstdint": "cpp",
+        "cstdio": "cpp",
+        "cstdlib": "cpp",
+        "cstring": "cpp",
+        "ctime": "cpp",
+        "cwchar": "cpp",
+        "cwctype": "cpp",
+        "deque": "cpp",
+        "forward_list": "cpp",
+        "list": "cpp",
+        "map": "cpp",
+        "set": "cpp",
+        "string": "cpp",
+        "unordered_map": "cpp",
+        "unordered_set": "cpp",
+        "vector": "cpp",
+        "exception": "cpp",
+        "algorithm": "cpp",
+        "functional": "cpp",
+        "iterator": "cpp",
+        "memory": "cpp",
+        "memory_resource": "cpp",
+        "numeric": "cpp",
+        "optional": "cpp",
+        "random": "cpp",
+        "ratio": "cpp",
+        "string_view": "cpp",
+        "system_error": "cpp",
+        "tuple": "cpp",
+        "type_traits": "cpp",
+        "utility": "cpp",
+        "fstream": "cpp",
+        "initializer_list": "cpp",
+        "iomanip": "cpp",
+        "iosfwd": "cpp",
+        "iostream": "cpp",
+        "istream": "cpp",
+        "limits": "cpp",
+        "mutex": "cpp",
+        "new": "cpp",
+        "numbers": "cpp",
+        "ostream": "cpp",
+        "span": "cpp",
+        "sstream": "cpp",
+        "stdexcept": "cpp",
+        "streambuf": "cpp",
+        "thread": "cpp",
+        "typeinfo": "cpp",
+        "variant": "cpp",
+        "strstream": "cpp",
+        "bitset": "cpp",
+        "cinttypes": "cpp",
+        "codecvt": "cpp",
+        "complex": "cpp",
+        "regex": "cpp",
+        "cfenv": "cpp",
+        "typeindex": "cpp"
+    },
+    "cmake.configureSettings": { "gtest_build_samples": "ON" }
+}