lyng/lynglib/src/jvmTest/kotlin/PerfProfilesTest.kt

77 lines
3.1 KiB
Kotlin

/*
* Copyright 2025 Sergey S. Chernov real.sergeych@gmail.com
*
* 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 net.sergeych.lyng
import kotlin.test.Test
import kotlin.test.assertEquals
import kotlin.test.assertTrue
class PerfProfilesTest {
@Test
fun apply_and_restore_presets() {
val before = PerfProfiles.snapshot()
try {
// BENCH preset expectations
val snapAfterBench = PerfProfiles.apply(PerfProfiles.Preset.BENCH)
// Expect some key flags ON for benches
assertTrue(PerfFlags.ARG_BUILDER)
assertTrue(PerfFlags.SCOPE_POOL)
assertTrue(PerfFlags.FIELD_PIC)
assertTrue(PerfFlags.METHOD_PIC)
assertTrue(PerfFlags.INDEX_PIC)
assertTrue(PerfFlags.INDEX_PIC_SIZE_4)
assertTrue(PerfFlags.PRIMITIVE_FASTOPS)
assertTrue(PerfFlags.RVAL_FASTPATH)
// Restore via snapshot returned by apply
PerfProfiles.restore(snapAfterBench)
// BOOKS preset expectations
val snapAfterBooks = PerfProfiles.apply(PerfProfiles.Preset.BOOKS)
// Expect simpler paths enabled/disabled accordingly
assertEquals(false, PerfFlags.ARG_BUILDER)
assertEquals(false, PerfFlags.SCOPE_POOL)
assertEquals(false, PerfFlags.FIELD_PIC)
assertEquals(false, PerfFlags.METHOD_PIC)
assertEquals(false, PerfFlags.INDEX_PIC)
assertEquals(false, PerfFlags.INDEX_PIC_SIZE_4)
assertEquals(false, PerfFlags.PRIMITIVE_FASTOPS)
assertEquals(false, PerfFlags.RVAL_FASTPATH)
// Restore via snapshot returned by apply
PerfProfiles.restore(snapAfterBooks)
// BASELINE preset should match PerfDefaults
val snapAfterBaseline = PerfProfiles.apply(PerfProfiles.Preset.BASELINE)
assertEquals(PerfDefaults.ARG_BUILDER, PerfFlags.ARG_BUILDER)
assertEquals(PerfDefaults.SCOPE_POOL, PerfFlags.SCOPE_POOL)
assertEquals(PerfDefaults.FIELD_PIC, PerfFlags.FIELD_PIC)
assertEquals(PerfDefaults.METHOD_PIC, PerfFlags.METHOD_PIC)
assertEquals(PerfDefaults.INDEX_PIC_SIZE_4, PerfFlags.INDEX_PIC_SIZE_4)
assertEquals(PerfDefaults.PRIMITIVE_FASTOPS, PerfFlags.PRIMITIVE_FASTOPS)
assertEquals(PerfDefaults.RVAL_FASTPATH, PerfFlags.RVAL_FASTPATH)
// Restore baseline snapshot
PerfProfiles.restore(snapAfterBaseline)
} finally {
// Finally, restore very original snapshot
PerfProfiles.restore(before)
}
}
}