Node / meshtastic / Meshtastic-Android / files / feature / messaging / src / commonTest / kotlin / org / meshtastic / feature / messaging / HomoglyphCharacterTransformTest.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.feature.messaging

Tff7b72import T7ee787org.meshtastic.core.common.util.HomoglyphCharacterStringTransformer

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

Tff7b72import T7ee787kotlin.test.assertTrue

Tff7b72class T56d364HomoglyphCharacterTransformTest Tb4b4b4{

Tf0883e@Test

Tff7b72fun Td2a8ff`optimizeUtf8StringWithHomoglyphs shrinks binary size of cyrillic text containing some homoglyphs`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3testString Tff7b72= Ta5d6ff"Ta5d6ffМештастик - это проект с открытым исходным кодомTa5d6ff"

Tff7b72val Te6edf3transformedTestString Tff7b72= Te6edf3HomoglyphCharacterStringTransformerTb4b4b4.Te6edf3optimizeUtf8StringWithHomoglyphsTb4b4b4(Te6edf3testStringTb4b4b4)

Tff7b72val Te6edf3testStringBytes Tff7b72= Te6edf3testStringTb4b4b4.Te6edf3encodeToByteArrayTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3transformedTestStringBytes Tff7b72= Te6edf3transformedTestStringTb4b4b4.Te6edf3encodeToByteArrayTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3transformedStringBinarySizeShrinked Tff7b72= Te6edf3transformedTestStringBytesTb4b4b4.Te6edf3size Tff7b72< Te6edf3testStringBytesTb4b4b4.Te6edf3size

Te6edf3assertTrueTb4b4b4(Te6edf3transformedStringBinarySizeShrinkedTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`optimizeUtf8StringWithHomoglyphs shrinks binary size in half of cyrillic text containing only homoglyphs`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3testString Tff7b72= Ta5d6ff"Ta5d6ffКосухаTa5d6ff"

Tff7b72val Te6edf3transformedTestString Tff7b72= Te6edf3HomoglyphCharacterStringTransformerTb4b4b4.Te6edf3optimizeUtf8StringWithHomoglyphsTb4b4b4(Te6edf3testStringTb4b4b4)

Tff7b72val Te6edf3testStringBytes Tff7b72= Te6edf3testStringTb4b4b4.Te6edf3encodeToByteArrayTb4b4b4(Tb4b4b4)

Tff7b72val Te6edf3transformedTestStringBytes Tff7b72= Te6edf3transformedTestStringTb4b4b4.Te6edf3encodeToByteArrayTb4b4b4(Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3transformedTestStringBytesTb4b4b4.Te6edf3sizeTb4b4b4, Te6edf3testStringBytesTb4b4b4.Te6edf3size Tff7b72/ T79c0ff2Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`optimizeUtf8StringWithHomoglyphs does not transform cyrillic text without any homoglyphs`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3testString Tff7b72= Ta5d6ff"Ta5d6ffБлизкийTa5d6ff"

Tff7b72val Te6edf3transformedTestString Tff7b72= Te6edf3HomoglyphCharacterStringTransformerTb4b4b4.Te6edf3optimizeUtf8StringWithHomoglyphsTb4b4b4(Te6edf3testStringTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3transformedTestStringTb4b4b4, Te6edf3testStringTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`optimizeUtf8StringWithHomoglyphs does not transform latin text message`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3testString Tff7b72= Ta5d6ff"Ta5d6ffMeshtastic is an open source, off-grid, decentralized mesh networkTa5d6ff"

Tff7b72val Te6edf3transformedTestString Tff7b72= Te6edf3HomoglyphCharacterStringTransformerTb4b4b4.Te6edf3optimizeUtf8StringWithHomoglyphsTb4b4b4(Te6edf3testStringTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3transformedTestStringTb4b4b4, Te6edf3testStringTb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ff`optimizeUtf8StringWithHomoglyphs does not transform characters impossible to present by latin letters`Tb4b4b4(Tb4b4b4) Tb4b4b4{

Tff7b72val Te6edf3testString Tff7b72= Ta5d6ff"Ta5d6ffميشتاستيك هو مصدر مفتوح ، خارج الشبكة ، شبكة شبكةTa5d6ff"

Tff7b72val Te6edf3transformedTestString Tff7b72= Te6edf3HomoglyphCharacterStringTransformerTb4b4b4.Te6edf3optimizeUtf8StringWithHomoglyphsTb4b4b4(Te6edf3testStringTb4b4b4)

Te6edf3assertEqualsTb4b4b4(Te6edf3transformedTestStringTb4b4b4, Te6edf3testStringTb4b4b4)

Tb4b4b4}

Tb4b4b4}