Add test for AOSP bug with infinite RRULE + RDATE (see #11)

/***************************************************************************************************

 * Copyright © All Contributors. See LICENSE and AUTHORS in the root directory for details.

 **************************************************************************************************/

package at.bitfire.ical4android

import android.Manifest

import android.accounts.Account

import android.content.ContentUris

import android.content.ContentValues

import android.net.Uri

import android.provider.CalendarContract

import androidx.test.platform.app.InstrumentationRegistry

import androidx.test.rule.GrantPermissionRule

import at.bitfire.ical4android.MiscUtils.ContentProviderClientHelper.closeCompat

import org.junit.After

import org.junit.Assert.assertNotNull

import org.junit.Before

import org.junit.Rule

import org.junit.Test

class AospTest {

    @JvmField

    @Rule

    val permissionRule = GrantPermissionRule.grant(

        Manifest.permission.READ_CALENDAR,

        Manifest.permission.WRITE_CALENDAR

    )!!

    private val testAccount = Account("test@example.com", CalendarContract.ACCOUNT_TYPE_LOCAL)

    private val provider by lazy {

        InstrumentationRegistry.getInstrumentation().targetContext.contentResolver.acquireContentProviderClient(CalendarContract.AUTHORITY)!!

    }

    private lateinit var calendarUri: Uri

    @Before

    fun prepare() {

        calendarUri = provider.insert(

            CalendarContract.Calendars.CONTENT_URI.asSyncAdapter(), ContentValues().apply {

                put(CalendarContract.Calendars.NAME, "Test Calendar")

            }

        )!!

    }

    @After

    fun shutdown() {

        provider.delete(calendarUri, null, null)

        provider.closeCompat()

    }

    private fun Uri.asSyncAdapter() =

        buildUpon()

            .appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "1")

            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, testAccount.name)

            .appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, testAccount.type)

            .build()

    @Test

    fun testInfiniteRRule() {

        assertNotNull(provider.insert(CalendarContract.Events.CONTENT_URI.asSyncAdapter(), ContentValues().apply {

            put(CalendarContract.Events.CALENDAR_ID, ContentUris.parseId(calendarUri))

            put(CalendarContract.Events.DTSTART, 1643192678000)

            put(CalendarContract.Events.DURATION, "P1H")

            put(CalendarContract.Events.RRULE, "FREQ=YEARLY")

            put(CalendarContract.Events.TITLE, "Test event with infinite RRULE")

        }))

    }

    @Test(expected = AssertionError::class)

    fun testInfiniteRRulePlusRDate() {

        // see https://issuetracker.google.com/issues/37116691

        assertNotNull(provider.insert(CalendarContract.Events.CONTENT_URI.asSyncAdapter(), ContentValues().apply {

            put(CalendarContract.Events.CALENDAR_ID, ContentUris.parseId(calendarUri))

            put(CalendarContract.Events.DTSTART, 1643192678000)

            put(CalendarContract.Events.DURATION, "PT1H")

            put(CalendarContract.Events.RRULE, "FREQ=YEARLY")

            put(CalendarContract.Events.RDATE, "20230101T000000Z")

            put(CalendarContract.Events.TITLE, "Test event with infinite RRULE and RDATE")

        }))

        /** FAILS:

            W RecurrenceProcessor: DateException with r=FREQ=YEARLY;WKST=MO rangeStart=135697573414 rangeEnd=9223372036854775807

            W CalendarProvider2: Could not calculate last date.

            W CalendarProvider2: com.android.calendarcommon2.DateException: No range end provided for a recurrence that has no UNTIL or COUNT.

            W CalendarProvider2: 	at com.android.calendarcommon2.RecurrenceProcessor.expand(RecurrenceProcessor.java:766)

            W CalendarProvider2: 	at com.android.calendarcommon2.RecurrenceProcessor.expand(RecurrenceProcessor.java:661)

            W CalendarProvider2: 	at com.android.calendarcommon2.RecurrenceProcessor.getLastOccurence(RecurrenceProcessor.java:130)

            W CalendarProvider2: 	at com.android.calendarcommon2.RecurrenceProcessor.getLastOccurence(RecurrenceProcessor.java:61)

         */

    }

}

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