commonTest.okio.UnsafeCursorTest.kt Maven / Gradle / Ivy
/*
* Copyright (C) 2020 Square, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package okio
import kotlin.test.Test
import kotlin.test.assertEquals
class UnsafeCursorTest {
@Test fun acquireForRead() {
val buffer = Buffer()
buffer.writeUtf8("xo".repeat(5000))
val cursor = buffer.readAndWriteUnsafe()
try {
val copy = Buffer()
while (cursor.next() != -1) {
copy.write(cursor.data!!, cursor.start, cursor.end - cursor.start)
}
} finally {
cursor.close()
}
assertEquals("xo".repeat(5000), buffer.readUtf8())
}
@Test fun acquireForWrite() {
val buffer = Buffer()
buffer.writeUtf8("xo".repeat(5000))
val cursor = buffer.readAndWriteUnsafe()
try {
while (cursor.next() != -1) {
cursor.data!!.fill('z'.code.toByte(), cursor.start, cursor.end)
}
} finally {
cursor.close()
}
assertEquals("zz".repeat(5000), buffer.readUtf8())
}
@Test fun expand() {
val buffer = Buffer()
val cursor = buffer.readAndWriteUnsafe()
try {
cursor.expandBuffer(100)
cursor.data!!.fill('z'.code.toByte(), cursor.start, cursor.start + 100)
cursor.resizeBuffer(100L)
} finally {
cursor.close()
}
val expected = "z".repeat(100)
val actual = buffer.readUtf8()
println(actual)
println(expected)
assertEquals(expected, actual)
}
@Test fun resizeBuffer() {
val buffer = Buffer()
val cursor = buffer.readAndWriteUnsafe()
try {
cursor.resizeBuffer(100L)
cursor.data!!.fill('z'.code.toByte(), cursor.start, cursor.end)
} finally {
cursor.close()
}
assertEquals("z".repeat(100), buffer.readUtf8())
}
}