Fuzz

feat: tweak the `CompactStringExt` trait so `join_compact` and `concat_compact` work better #2805

	on:
	push:
	branches:
	- main
	pull_request:
	paths:
	- "compact_str/**"
	- "fuzz/**"
	- ".github/workflows/fuzz.yml"
	- "!CHANGELOG.md"
	- "!**/README.md"
	workflow_dispatch:
	# schedule:
	# - cron: '0 01,13 * * *'

	name: Fuzz

	env:
	CARGO_TERM_COLOR: "always"
	RUSTFLAGS: "-D warnings -Zrandomize-layout"
	RUST_NIGHTLY_VERSION: "nightly-2024-12-20"

	jobs:
	libFuzzer_x86_64:
	name: libFuzzer [x86_64]
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	name: Checkout compact_str

	- name: Install toolchain
	run: \|
	rustup toolchain install ${{ env.RUST_NIGHTLY_VERSION }} --no-self-update
	rustup override set ${{ env.RUST_NIGHTLY_VERSION }}
	- name: Install cargo-fuzz
	run: \|
	cargo install cargo-fuzz

	- uses: Swatinem/rust-cache@v2

	- name: Set Fuzz Time
	run: \|
	if [[ "${{github.event_name}}" == "push" \|\| "${{github.event_name}}" == "pull_request" ]]; then
	echo "fuzz_time=120" >> $GITHUB_ENV
	else
	echo "fuzz_time=1800" >> $GITHUB_ENV
	fi
	echo "${{ env.fuzz_time }}"
	- name: Fuzz!
	run: cargo fuzz run --features=libfuzzer-sys --debug-assertions compact_str -- -max_total_time=${{ env.fuzz_time }}
	# - name: File Issue (if failure found)
	# if: failure()
	# uses: JasonEtco/create-an-issue@v2.9
	# env:
	# GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	# with:
	# update_existing: true

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