Make String#casecmp and casecmp? spec-compliant #6705

	name: Test

	on:
	push:
	branches:
	- master
	pull_request:

	env:
	DOCKER_FLAGS: ""
	CI: 1

	jobs:
	linux:
	runs-on: ubuntu-22.04
	strategy:
	matrix:
	ruby_version:
	- ruby3.1
	- ruby3.2
	- ruby3.3
	compiler:
	- gcc
	- clang
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: run tests
	run: rake docker_test_${{ matrix.compiler }} RUBY=${{ matrix.ruby_version }}
	macos:
	runs-on: macos-12
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: install ruby
	run: \|
	brew update
	brew uninstall -f ruby
	brew uninstall -f [email protected]
	rm -rf /usr/local/lib/ruby/gems/3.0.0 /usr/local/opt/[email protected]
	brew install [email protected]
	- name: check ruby
	env:
	PATH: "/usr/local/opt/ruby/bin:/usr/local/bin/:/usr/bin"
	run: \|
	which ruby
	ruby --version
	which bundle
	- name: install build tools
	run: brew install autoconf automake libtool pkg-config
	- name: install openssl
	run: brew install openssl
	- name: install libffi
	run: brew install libffi
	- name: test with clang on macOS
	env:
	PKG_CONFIG_PATH: /usr/local/opt/openssl@3/lib/pkgconfig:/opt/homebrew/opt/openssl@3/lib/pkgconfig:/usr/local/opt/libffi/lib/pkgconfig:/opt/homebrew/opt/libffi/lib/pkgconfig
	run: \|
	export PATH="/usr/local/opt/ruby/bin:$PATH"
	rake test
	self-hosted:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: build self-hosted binary
	run: rake docker_test_self_hosted
	asan:
	runs-on: ubuntu-22.04
	steps:
	- uses: actions/checkout@v4
	with:
	submodules: true
	- name: test with AddressSanitizer
	run: rake docker_test_asan

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