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Fix unsigned value representation

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Him188 2020-04-02 21:28:31 +08:00
parent 42595a37b0
commit fb635c14bc
2 changed files with 3 additions and 3 deletions
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4
mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/ExternalImage.kt
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@ -183,8 +183,8 @@ internal operator fun ByteArray.get(range: IntRange): String = buildString {
} }
private fun Byte.fixToString(): String { private fun Byte.fixToString(): String {
return when (this.toInt()) { return when (val b = this.toInt() and 0xff) {
in 0..15 -> "0${this.toString(16).toUpperCase()}" in 0..15 -> "0${this.toString(16).toUpperCase()}"
else -> this.toString(16).toUpperCase() else -> b.toString(16).toUpperCase()
} }
} }

2
mirai-core/src/commonTest/kotlin/net/mamoe/mirai/utils/ExternalImageTest.kt
View File

@ -9,6 +9,6 @@ internal class ExternalImageTest {
fun testByteArrayGet() { fun testByteArrayGet() {
assertEquals("0F", byteArrayOf(0x0f)[0..0]) assertEquals("0F", byteArrayOf(0x0f)[0..0])
assertEquals("10", byteArrayOf(0x10)[0..0]) assertEquals("10", byteArrayOf(0x10)[0..0])
assertEquals("0FFE", byteArrayOf(0x0F, 0xFE.toByte())[0..0]) assertEquals("0FFE", byteArrayOf(0x0F, 0xFE.toByte())[0..1])
} }
} }