added tests for errors #99

	name: CI

	on: [push, pull_request]

	jobs:
	test:
	name: Test
	runs-on: ubuntu-latest

	strategy:
	matrix:
	rust:
	- stable
	- nightly

	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install rust (${{ matrix.rust }})
	uses: actions-rs/toolchain@v1
	with:
	toolchain: ${{ matrix.rust }}
	profile: minimal
	override: true

	- name: Cache
	uses: Swatinem/rust-cache@v1

	- name: Build
	uses: actions-rs/cargo@v1
	with:
	command: build
	args: --verbose ${{ matrix.features }}

	- name: Test
	uses: actions-rs/cargo@v1
	with:
	command: test
	args: --verbose ${{ matrix.features }}

	coverage:
	name: Coverage
	runs-on: ubuntu-latest

	steps:
	- name: Checkout sources
	uses: actions/checkout@v2

	- name: Install rust
	uses: actions-rs/toolchain@v1
	with:
	toolchain: stable
	profile: minimal
	override: true

	- name: Cache
	uses: Swatinem/rust-cache@v1

	- name: Install cargo-tarpaulin
	uses: actions-rs/cargo@v1
	with:
	command: install
	args: cargo-tarpaulin

	- name: Run cargo tarpaulin
	uses: actions-rs/cargo@v1
	with:
	command: tarpaulin
	args: --output-dir coverage --out lcov --all-targets

	- name: Publish to Coveralls
	uses: coverallsapp/github-action@master
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}

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