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// Copyright 2000-2021 JetBrains s.r.o. and contributors. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.

package org.jetbrains.kotlin.jps.incremental

import org.junit.Test
import kotlin.io.path.Path
import kotlin.test.assertEquals

class CompositeLookupsCacheAttributesManagerTest {
    val manager = CompositeLookupsCacheAttributesManager(Path("not-used"), setOf())

    @Test
    fun testNothingToJava() {
        assertEquals(
            CacheStatus.INVALID,
            manager.loadDiff(
                actual = null,
                expected = CompositeLookupsCacheAttributes(1, setOf("jvm"))
            ).status
        )
    }

    @Test
    fun testNothingToJavaAndJs() {
        assertEquals(
            CacheStatus.INVALID,
            manager.loadDiff(
                actual = null,
                expected = CompositeLookupsCacheAttributes(1, setOf("jvm", "js"))
            ).status
        )
    }

    @Test
    fun testJsToJava() {
        assertEquals(
            CacheStatus.INVALID,
            manager.loadDiff(
                actual = CompositeLookupsCacheAttributes(1, setOf("jvm")),
                expected = CompositeLookupsCacheAttributes(1, setOf("js"))
            ).status
        )
    }

    @Test
    fun testJsAndJavaToJava() {
        assertEquals(
            CacheStatus.VALID,
            manager.loadDiff(
                actual = CompositeLookupsCacheAttributes(1, setOf("jvm", "js")),
                expected = CompositeLookupsCacheAttributes(1, setOf("jvm"))
            ).status
        )
    }

    @Test
    fun testJsAndJavaToJavaWithOtherVersion() {
        assertEquals(
            CacheStatus.INVALID,
            manager.loadDiff(
                actual = CompositeLookupsCacheAttributes(1, setOf("jvm", "js")),
                expected = CompositeLookupsCacheAttributes(2, setOf("jvm"))
            ).status
        )
    }

    @Test
    fun testJavaToJsAndJava() {
        assertEquals(
            CacheStatus.INVALID,
            manager.loadDiff(
                actual = CompositeLookupsCacheAttributes(1, setOf("jvm")),
                expected = CompositeLookupsCacheAttributes(1, setOf("jvm", "js"))
            ).status
        )
    }
}