KF-27 Add tests for SpanUtils

[belyshevdenis]

No description provided.

[Copilot]

Pull Request Overview

This PR adds comprehensive test coverage for the SpanUtils utility functions. The changes include setting up test infrastructure to handle error cases and implementing thorough unit tests for all SpanUtils functions.

• Test infrastructure updates to track calls to std::_Xinvalid_argument for error condition testing
• Comprehensive test coverage for all SpanUtils functions including span_cast, as_bytes, copyTruncate, copyExact, copy, equals, indexOf, split, and atOrDefault
• Removal of using namespace std directive in favor of explicit std:: prefixes

Reviewed Changes

Copilot reviewed 5 out of 5 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
test/pch.h	Adds test infrastructure for tracking _Xinvalid_argument calls and introduces _invoke_watson function
test/pch.cpp	Defines global counter for tracking _Xinvalid_argument calls
test/SpanUtilsTest.cpp	Comprehensive test suite covering all SpanUtils functions with various scenarios
test/CMakeLists.txt	Adds SpanUtilsTest.cpp to the build configuration
include/kf/SpanUtils.h	Removes using namespace std and adds explicit std:: prefixes throughout

Comments suppressed due to low confidence (1)

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[Copilot]

Pull Request Overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

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[Copilot]

Pull Request Overview

Copilot reviewed 4 out of 4 changed files in this pull request and generated no new comments.

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