Node / meshtastic / Meshtastic-Android / files / core / ui / src / commonTest / kotlin / org / meshtastic / core / ui / component / AdaptiveTwoPaneUiTest.kt

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T8b949e/*

* Copyright (c) 2026 Meshtastic LLC

*

* This program is free software: you can redistribute it and/or modify

* it under the terms of the GNU General Public License as published by

* the Free Software Foundation, either version 3 of the License, or

* (at your option) any later version.

*

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

* GNU General Public License for more details.

*

* You should have received a copy of the GNU General Public License

* along with this program. If not, see <https://www.gnu.org/licenses/>.

*/

Tff7b72package T7ee787org.meshtastic.core.ui.component

Tff7b72import T7ee787androidx.compose.foundation.layout.Box

Tff7b72import T7ee787androidx.compose.foundation.layout.fillMaxSize

Tff7b72import T7ee787androidx.compose.foundation.lazy.LazyColumn

Tff7b72import T7ee787androidx.compose.foundation.rememberScrollState

Tff7b72import T7ee787androidx.compose.foundation.verticalScroll

Tff7b72import T7ee787androidx.compose.material3.Text

Tff7b72import T7ee787androidx.compose.material3.adaptive.ExperimentalMaterial3AdaptiveApi

Tff7b72import T7ee787androidx.compose.material3.adaptive.currentWindowAdaptiveInfoV2

Tff7b72import T7ee787androidx.compose.material3.adaptive.layout.calculatePaneScaffoldDirective

Tff7b72import T7ee787androidx.compose.runtime.getValue

Tff7b72import T7ee787androidx.compose.runtime.mutableStateOf

Tff7b72import T7ee787androidx.compose.runtime.setValue

Tff7b72import T7ee787androidx.compose.ui.Modifier

Tff7b72import T7ee787androidx.compose.ui.geometry.Offset

Tff7b72import T7ee787androidx.compose.ui.test.ExperimentalTestApi

Tff7b72import T7ee787androidx.compose.ui.test.assertIsDisplayed

Tff7b72import T7ee787androidx.compose.ui.test.onNodeWithTag

Tff7b72import T7ee787androidx.compose.ui.test.onNodeWithText

Tff7b72import T7ee787androidx.compose.ui.test.performTouchInput

Tff7b72import T7ee787androidx.compose.ui.test.v2.runComposeUiTest

Tff7b72import T7ee787org.meshtastic.core.ui.theme.AppTheme

Tff7b72import T7ee787kotlin.math.abs

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertTrue

Tf0883e@OptInTb4b4b4(Te6edf3ExperimentalTestApiTff7b72::Te6edf3classTb4b4b4, Te6edf3ExperimentalMaterial3AdaptiveApiTff7b72::Te6edf3classTb4b4b4)

Tff7b72class T56d364AdaptiveTwoPaneUiTest Tb4b4b4{

T8b949e// Crashlytics 788308c5 (fatal, tablets): the split scaffold echoed the LazyColumn item's infinite

T8b949e// max height as its size ("Size(1608 x 2147483647) is out of range"). Must render, not crash.

Tf0883e@Test

Tff7b72fun Td2a8ffsplitPaneInsideLazyColumnItemRendersBothPanesTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runComposeUiTest Tb4b4b4{

Tff7b72var Te6edf3horizontalPartitions Tff7b72= T79c0ff0

Te6edf3setContent Tb4b4b4{

Te6edf3AppTheme Tb4b4b4{

Te6edf3horizontalPartitions Tff7b72=

Te6edf3calculatePaneScaffoldDirectiveTb4b4b4(Te6edf3currentWindowAdaptiveInfoV2Tb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4.Te6edf3maxHorizontalPartitions

Te6edf3LazyColumn Tb4b4b4{

Te6edf3item Tb4b4b4{ Te6edf3AdaptiveTwoPaneTb4b4b4(Te6edf3first Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6fffirst paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4, Te6edf3second Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6ffsecond paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4) Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

T8b949e// The default test window is expanded-width; without this the regression path is not exercised.

Te6edf3assertTrueTb4b4b4(Te6edf3horizontalPartitions Tff7b72> T79c0ff1Tb4b4b4, Ta5d6ff"Ta5d6ffexpected an expanded-width test windowTa5d6ff"Tb4b4b4)

Te6edf3onNodeWithTextTb4b4b4(Ta5d6ff"Ta5d6fffirst paneTa5d6ff"Tb4b4b4)Tb4b4b4.Te6edf3assertIsDisplayedTb4b4b4(Tb4b4b4)

Te6edf3onNodeWithTextTb4b4b4(Ta5d6ff"Ta5d6ffsecond paneTa5d6ff"Tb4b4b4)Tb4b4b4.Te6edf3assertIsDisplayedTb4b4b4(Tb4b4b4)

T8b949e// No drag handle: the unbounded host must get the Row fallback, not the scaffold.

Te6edf3onNodeWithTagTb4b4b4(Te6edf3ADAPTIVE_TWO_PANE_DRAG_HANDLE_TAGTb4b4b4)Tb4b4b4.Te6edf3assertDoesNotExistTb4b4b4(Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffsplitPaneInBoundedHostRendersBothPanesTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runComposeUiTest Tb4b4b4{

Te6edf3setContent Tb4b4b4{

Te6edf3AppTheme Tb4b4b4{

Te6edf3BoxTb4b4b4(Te6edf3modifier Tff7b72= Te6edf3ModifierTb4b4b4.Te6edf3fillMaxSizeTb4b4b4(Tb4b4b4)Tb4b4b4) Tb4b4b4{

Te6edf3AdaptiveTwoPaneTb4b4b4(Te6edf3first Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6fffirst paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4, Te6edf3second Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6ffsecond paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Te6edf3onNodeWithTextTb4b4b4(Ta5d6ff"Ta5d6fffirst paneTa5d6ff"Tb4b4b4)Tb4b4b4.Te6edf3assertIsDisplayedTb4b4b4(Tb4b4b4)

Te6edf3onNodeWithTextTb4b4b4(Ta5d6ff"Ta5d6ffsecond paneTa5d6ff"Tb4b4b4)Tb4b4b4.Te6edf3assertIsDisplayedTb4b4b4(Tb4b4b4)

T8b949e// The drag handle proves the bounded host kept the SupportingPaneScaffold branch.

Te6edf3onNodeWithTagTb4b4b4(Te6edf3ADAPTIVE_TWO_PANE_DRAG_HANDLE_TAGTb4b4b4)Tb4b4b4.Te6edf3assertExistsTb4b4b4(Tb4b4b4)

Tb4b4b4}

T8b949e// The pane expansion state is hoisted above the height branch, so a divider the user dragged must

T8b949e// survive the host flipping to unbounded constraints (scaffold disposed) and back.

Tf0883e@Test

Tff7b72fun Td2a8ffdividerPositionSurvivesBoundedUnboundedRoundTripTb4b4b4(Tb4b4b4) Tff7b72= Te6edf3runComposeUiTest Tb4b4b4{

Tff7b72var Te6edf3bounded Tff7b72by Te6edf3mutableStateOfTb4b4b4(Tff7b72trueTb4b4b4)

Te6edf3setContent Tb4b4b4{

Te6edf3AppTheme Tb4b4b4{

Tff7b72val Te6edf3hostModifier Tff7b72=

Tff7b72if Tb4b4b4(Te6edf3boundedTb4b4b4) Te6edf3ModifierTb4b4b4.Te6edf3fillMaxSizeTb4b4b4(Tb4b4b4) Tff7b72else Te6edf3ModifierTb4b4b4.Te6edf3verticalScrollTb4b4b4(Te6edf3rememberScrollStateTb4b4b4(Tb4b4b4)Tb4b4b4)

Te6edf3BoxTb4b4b4(Te6edf3modifier Tff7b72= Te6edf3hostModifierTb4b4b4) Tb4b4b4{

Te6edf3AdaptiveTwoPaneTb4b4b4(Te6edf3first Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6fffirst paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4, Te6edf3second Tff7b72= Tb4b4b4{ Te6edf3TextTb4b4b4(Ta5d6ff"Ta5d6ffsecond paneTa5d6ff"Tb4b4b4) Tb4b4b4}Tb4b4b4)

Tb4b4b4}

Tb4b4b4}

Tb4b4b4}

Tff7b72val Te6edf3handle Tff7b72= Te6edf3onNodeWithTagTb4b4b4(Te6edf3ADAPTIVE_TWO_PANE_DRAG_HANDLE_TAGTb4b4b4)

Tff7b72val Te6edf3initialX Tff7b72= Te6edf3handleTb4b4b4.Te6edf3fetchSemanticsNodeTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3boundsInRootTb4b4b4.Te6edf3centerTb4b4b4.Te6edf3x

Te6edf3handleTb4b4b4.Te6edf3performTouchInput Tb4b4b4{

Te6edf3downTb4b4b4(Te6edf3centerTb4b4b4)

Te6edf3moveByTb4b4b4(Te6edf3OffsetTb4b4b4(Tff7b72-T79c0ff2T79c0ff0T79c0ff0fTb4b4b4, T79c0ff0fTb4b4b4)Tb4b4b4)

Te6edf3upTb4b4b4(Tb4b4b4)

Tb4b4b4}

Te6edf3waitForIdleTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3draggedX Tff7b72= Te6edf3handleTb4b4b4.Te6edf3fetchSemanticsNodeTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3boundsInRootTb4b4b4.Te6edf3centerTb4b4b4.Te6edf3x

Te6edf3assertTrueTb4b4b4(Te6edf3absTb4b4b4(Te6edf3draggedX Tff7b72- Te6edf3initialXTb4b4b4) Tff7b72> T79c0ff5T79c0ff0fTb4b4b4, Ta5d6ff"Ta5d6ffexpected the drag to move the dividerTa5d6ff"Tb4b4b4)

Te6edf3bounded Tff7b72= Tff7b72false

Te6edf3waitForIdleTb4b4b4(Tb4b4b4)

Te6edf3handleTb4b4b4.Te6edf3assertDoesNotExistTb4b4b4(Tb4b4b4)

Te6edf3bounded Tff7b72= Tff7b72true

Te6edf3waitForIdleTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3restoredX Tff7b72= Te6edf3handleTb4b4b4.Te6edf3fetchSemanticsNodeTb4b4b4(Tb4b4b4)Tb4b4b4.Te6edf3boundsInRootTb4b4b4.Te6edf3centerTb4b4b4.Te6edf3x

Te6edf3assertTrueTb4b4b4(Te6edf3absTb4b4b4(Te6edf3restoredX Tff7b72- Te6edf3draggedXTb4b4b4) Tff7b72< T79c0ff3fTb4b4b4, Ta5d6ff"Ta5d6ffdivider was at Tffd700$Te6edf3draggedXTa5d6ff but came back at Tffd700$Te6edf3restoredXTa5d6ff"Tb4b4b4)

Tb4b4b4}

Tb4b4b4}