Zip::File#write_buffer doesn't assume we're writing to the original IO #133

	name: Tests

	on: [push, pull_request]

	jobs:
	test:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu]
	ruby: ['2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', jruby, truffleruby]
	include:
	- os: macos
	ruby: '2.4'
	runs-on: ${{ matrix.os }}-latest
	steps:
	- name: Checkout rubyzip code
	uses: actions/checkout@v4

	- name: Install and set up ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	rubygems: '3.2.3'
	bundler-cache: true

	- name: Run the tests
	env:
	RUBYOPT: -v
	JRUBY_OPTS: --debug
	FULL_ZIP64_TEST: 1
	run: bundle exec rake

	test-frozen-string-literal:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu]
	ruby: ['3.3']
	runs-on: ${{ matrix.os }}-latest
	continue-on-error: true
	steps:
	- name: Checkout rubyzip code
	uses: actions/checkout@v2

	- name: Install and set up ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true

	- name: Run the tests
	env:
	RUBYOPT: --enable-frozen-string-literal
	FULL_ZIP64_TEST: 1
	run: bundle exec rake

	test-yjit:
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu, macos]
	ruby: ['3.1', '3.2', '3.3', head]
	runs-on: ${{ matrix.os }}-latest
	continue-on-error: true
	steps:
	- name: Checkout rubyzip code
	uses: actions/checkout@v4

	- name: Install and set up ruby
	uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true

	- name: Run the tests
	env:
	RUBYOPT: --enable-yjit -v
	FULL_ZIP64_TEST: 1
	run: bundle exec rake

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