Node / meshtastic / Meshtastic-Android / files / feature / node / src / commonTest / kotlin / org / meshtastic / feature / node / metrics / FormatBytesTest.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.node.metrics

Tff7b72import T7ee787kotlin.test.Test

Tff7b72import T7ee787kotlin.test.assertEquals

T8b949e/** Tests for [formatBytes] — the pure function that formats byte counts into human-readable strings. */

Tf0883e@SuppressTb4b4b4(Ta5d6ff"Ta5d6ffMagicNumberTa5d6ff"Tb4b4b4)

Tff7b72class T56d364FormatBytesTest Tb4b4b4{

Tf0883e@Test

Tff7b72fun Td2a8ffzero_bytesTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff0 BTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff0LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffsmall_byte_valuesTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1 BTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1LTb4b4b4)Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff512 BTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff5T79c0ff1T79c0ff2LTb4b4b4)Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1023 BTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff0T79c0ff2T79c0ff3LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffkilobyte_boundaryTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1 KBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff0T79c0ff2T79c0ff4LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffkilobyte_with_decimalsTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 1536 bytes = 1.5 KB

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1.5 KBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff5T79c0ff3T79c0ff6LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffmegabyte_boundaryTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1 MBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff0T79c0ff2T79c0ff4L Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffmegabyte_with_decimalsTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 1.5 MB = 1572864 bytes

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1.5 MBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1Te6edf3_572_864LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffgigabyte_boundaryTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1 GBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff0T79c0ff2T79c0ff4L Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffgigabyte_with_decimalsTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 2.5 GB

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff2.5 GBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(Tb4b4b4(T79c0ff2.5 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4Tb4b4b4)Tb4b4b4.Te6edf3toLongTb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffnegative_bytes_returns_naTb4b4b4(Tb4b4b4) Tb4b4b4{

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ffN/ATa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(Tff7b72-T79c0ff1LTb4b4b4)Tb4b4b4)

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ffN/ATa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(Tff7b72-T79c0ff1T79c0ff0T79c0ff2T79c0ff4LTb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8fflarge_valuesTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 100 GB

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff100 GBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff0T79c0ff0L Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4 Tff7b72* T79c0ff1T79c0ff0T79c0ff2T79c0ff4Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffcustom_decimal_places_zeroTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 1536 bytes = 1.5 KB, with 0 decimal places → 2 KB (rounded)

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff2 KBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff5T79c0ff3T79c0ff6LTb4b4b4, Te6edf3decimalPlaces Tff7b72= T79c0ff0Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tf0883e@Test

Tff7b72fun Td2a8ffcustom_decimal_places_oneTb4b4b4(Tb4b4b4) Tb4b4b4{

T8b949e// 1536 bytes = 1.5 KB, with 1 decimal place → 1.5 KB

Te6edf3assertEqualsTb4b4b4(Ta5d6ff"Ta5d6ff1.5 KBTa5d6ff"Tb4b4b4, Te6edf3formatBytesTb4b4b4(T79c0ff1T79c0ff5T79c0ff3T79c0ff6LTb4b4b4, Te6edf3decimalPlaces Tff7b72= T79c0ff1Tb4b4b4)Tb4b4b4)

Tb4b4b4}

Tb4b4b4}