name: Time CI

on:
  push:
    paths:
      - 'vlib/**'
      - 'cmd/tools/builders/**.v'
      - '**/time_ci.yml'
      - '!**.md'
  pull_request:
    paths:
      - 'vlib/**'
      - 'cmd/tools/builders/**.v'
      - '**/time_ci.yml'
      - '!**.md'

concurrency:
  group: time-${{ github.workflow }}-${{ github.ref == 'refs/heads/master' && github.sha || github.ref }}
  cancel-in-progress: true

jobs:
  time-linux:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - name: Build V
        run: make
      - name: Test time functions in a timezone UTC-12
        run: TZ=Etc/GMT+12 ./v test vlib/time/
      - name: Test time functions in a timezone UTC-3
        run: TZ=Etc/GMT+3 ./v test vlib/time/
      - name: Test time functions in a timezone UTC+3
        run: TZ=Etc/GMT-3 ./v test vlib/time/
      - name: Test time functions in a timezone UTC+12
        run: TZ=Etc/GMT-12 ./v test vlib/time/
      - name: Test in a timezone using daylight saving (Europe/Paris)
        run: TZ=Europe/Paris ./v test vlib/time/

  time-macos:
    runs-on: macos-14
    steps:
      - uses: actions/checkout@v6
      - name: Build V
        run: make
      - name: Test time functions in a timezone UTC-12
        run: TZ=Etc/GMT+12 ./v test vlib/time/
      - name: Test time functions in a timezone UTC-3
        run: TZ=Etc/GMT+3 ./v test vlib/time/
      - name: Test time functions in a timezone UTC+3
        run: TZ=Etc/GMT-3 ./v test vlib/time/
      - name: Test time functions in a timezone UTC+12
        run: TZ=Etc/GMT-12 ./v test vlib/time/
      - name: Test in a timezone using daylight saving (Europe/Paris)
        run: TZ=Europe/Paris ./v test vlib/time/

  time-windows:
    runs-on: windows-2025
    steps:
      - uses: actions/checkout@v6
      - name: Build V
        run: .\makev.bat
      - name: Test time functions in a timezone UTC-12
        run: tzutil /s "Dateline Standard Time" && ./v test vlib/time/
      - name: Test time functions in a timezone UTC-3
        run: tzutil /s "Greenland Standard Time" && ./v test vlib/time/
      - name: Test time functions in a timezone UTC+3
        run: tzutil /s "Russian Standard Time" && ./v test vlib/time/
      - name: Test time functions in a timezone UTC+12
        run: tzutil /s "New Zealand Standard Time" && ./v test vlib/time/
      - name: Test in a timezone using daylight saving (Europe/Paris)
        run: tzutil /s "W. Europe Standard Time" && ./v test vlib/time/