Merge main into feat-150-battery-deeplink

app/src/androidTest/kotlin/org/libremail/IntentHandledMarkerTest.kt

@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+package org.libremail
+
+import android.content.Intent
+import androidx.test.ext.junit.runners.AndroidJUnit4
+import org.junit.Assert.assertFalse
+import org.junit.Assert.assertTrue
+import org.junit.Test
+import org.junit.runner.RunWith
+
+/**
+ * Locks in the #157 regression fix: [IntentHandledMarker] must tell a redelivered (already-parsed)
+ * intent apart from a genuinely new one using only the [Intent] instance itself, never
+ * `savedInstanceState` — which Android also sets to non-null after a process-death relaunch, where the
+ * delivered intent is a brand new, not-yet-handled notification tap or mailto/share, not a replay.
+ */
+@RunWith(AndroidJUnit4::class)
+class IntentHandledMarkerTest {
+
+    @Test
+    fun first_look_marks_the_intent_and_reports_it_as_unhandled() {
+        val intent = Intent(Intent.ACTION_MAIN)
+        assertTrue(IntentHandledMarker.markIfUnhandled(intent))
+    }
+
+    @Test
+    fun redelivering_the_same_instance_is_recognized_as_already_handled() {
+        // Simulates a config-change recreation: Android redelivers the very same Intent object to the
+        // new Activity instance's onCreate, so a second look must be recognized as a replay.
+        val intent = Intent(Intent.ACTION_MAIN)
+        IntentHandledMarker.markIfUnhandled(intent)
+        assertFalse(IntentHandledMarker.markIfUnhandled(intent))
+    }
+
+    @Test
+    fun a_freshly_constructed_equivalent_intent_is_still_unhandled() {
+        // Simulates a process-death relaunch (e.g. tapping a notification after the app was killed in
+        // the background): a brand new Intent instance arrives — content may equal one already marked
+        // in a prior (now-dead) process, but it was never marked in THIS one, so it must be parsed.
+        val first = Intent(Intent.ACTION_VIEW)
+        IntentHandledMarker.markIfUnhandled(first)
+
+        val second = Intent(Intent.ACTION_VIEW)
+        assertTrue(IntentHandledMarker.markIfUnhandled(second))
+    }
+}