Make `RecurrencePattern.Count`, `.Interval` and `WeekDay.Offset` nullable to avoid using `MinValue` as magic number. #135

	name: Code Coverage
	# This job runs unit tests and generates a code coverage report.
	# The report is stored as artifact, and uploaded to Codecov.

	on:
	# workflow_dispatch: {} # temporarily enable the workflow for manual runs
	pull_request:
	branches:
	- main
	push:
	branches:
	- main

	jobs:
	coverage:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4
	with:
	fetch-depth: 0 # Fetch all history for all tags and branches
	- name: Setup .NET
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: \|
	8.0.x
	- name: Restore dependencies --verbosity quiet
	run: dotnet restore
	- name: Add AltCover package to test project
	run: dotnet add ./Ical.Net.Tests/Ical.Net.Tests.csproj package AltCover

	- name: Build
	run: dotnet build --no-restore --configuration Release -p:Nullable=disable -p:nowarn=1591
	- name: Test
	run: dotnet test --no-build --configuration Release --verbosity normal /p:AltCover=true /p:AltCoverXmlReport="coverage.xml" /p:AltCoverStrongNameKey="../IcalNetStrongnameKey.snk" /p:AltCoverAssemblyExcludeFilter="Ical.Net.Tests\|NUnit3.TestAdapter\|AltCover" /p:AltCoverAttributeFilter="ExcludeFromCodeCoverage" /p:AltCoverLineCover="false"

	- name: Store coverage report as artifact
	uses: actions/upload-artifact@v4
	with:
	name: coverage-report
	path: ./Ical.Net.Tests/coverage.*.xml # store all coverage reports
	- name: Upload coverage to Codecov
	uses: codecov/codecov-action@v4
	with:
	# files: automatically finds all in ./Ical.Net.Tests/
	name: coverage
	token: ${{ secrets.CODECOV_TOKEN }}
	fail_ci_if_error: false

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