add unit test for mapping packets with lower sequence number than the first mapped packet #4720

	name: mediasoup-rust

	on: [pull_request, workflow_dispatch]

	concurrency:
	# Cancel a currently running workflow from the same PR, branch or tag when a
	# new workflow is triggered.
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true

	env:
	CARGO_TERM_COLOR: always

	jobs:
	ci:
	strategy:
	matrix:
	ci:
	- os: ubuntu-20.04
	- os: ubuntu-22.04
	- os: macos-12
	- os: macos-14
	- os: windows-2022

	runs-on: ${{ matrix.ci.os }}

	env:
	KEEP_BUILD_ARTIFACTS: '1'

	steps:
	- name: Checkout
	uses: actions/checkout@v4

	- name: Configure cache
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: ${{ matrix.ci.os }}-cargo-${{ hashFiles('**/Cargo.toml') }}

	- name: cargo fmt
	run: cargo fmt --all -- --check

	- name: cargo clippy
	run: cargo clippy --all-targets -- -D warnings

	# NOTE: In Windows this will build and test libmediasoupworker in release
	# mode twice since build.rs doesn't allow debug mode for Windows.
	- name: cargo test
	run: \|
	cargo test --verbose
	cargo test --release --verbose

	- name: cargo doc
	run: cargo doc --locked --all --no-deps --lib
	env:
	DOCS_RS: '1'
	RUSTDOCFLAGS: '-D rustdoc::broken-intra-doc-links -D rustdoc::private_intra_doc_links'

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