Test: move Gradle daemon memory test to separate class

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/GradleDaemonMemoryIT.kt

@@ -0,0 +1,69 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle
+
+import org.junit.Test
+import kotlin.test.assertTrue
+
+class GradleDaemonMemoryIT : BaseGradleIT() {
+    // For corresponding documentation, see https://docs.gradle.org/current/userguide/gradle_daemon.html
+    // Setting user.variant to different value implies a new daemon process will be created.
+    // In order to stop daemon process, special exit task is used ( System.exit(0) ).
+    @Test
+    fun testGradleDaemonMemory() {
+        val project = Project("kotlinProject")
+        val VARIANT_CONSTANT = "ForTest"
+        val userVariantArg = "-Duser.variant=$VARIANT_CONSTANT"
+        val MEMORY_MAX_GROWTH_LIMIT_KB = 500
+        val BUILD_COUNT = 15
+        val reportMemoryUsage = "-Dkotlin.gradle.test.report.memory.usage=true"
+        val options = BaseGradleIT.BuildOptions(withDaemon = true)
+
+        fun exitTestDaemon() {
+            project.build(userVariantArg, reportMemoryUsage, "exit", options = options) {
+                assertFailed()
+                assertContains("The daemon has exited normally or was terminated in response to a user interrupt.")
+            }
+        }
+
+        fun buildAndGetMemoryAfterBuild(): Int {
+            var reportedMemory: Int? = null
+
+            project.build(userVariantArg, reportMemoryUsage, "clean", "build", options = options) {
+                assertSuccessful()
+                val matches = "\\[KOTLIN\\]\\[PERF\\] Used memory after build: (\\d+) kb \\(difference since build start: ([+-]?\\d+) kb\\)"
+                    .toRegex().find(output)
+                assert(matches != null && matches.groups.size == 3) { "Used memory after build is not reported by plugin" }
+                reportedMemory = matches!!.groupValues[1].toInt()
+            }
+
+            return reportedMemory!!
+        }
+
+        exitTestDaemon()
+
+        try {
+            val usedMemory = (1..BUILD_COUNT).map { buildAndGetMemoryAfterBuild() }
+
+            // ensure that the maximum of the used memory established after several first builds doesn't raise significantly in the subsequent builds
+            val establishedMaximum = usedMemory.take(5).max()!!
+            val totalMaximum = usedMemory.max()!!
+
+            val maxGrowth = totalMaximum - establishedMaximum
+            assertTrue(
+                maxGrowth <= MEMORY_MAX_GROWTH_LIMIT_KB,
+                "Maximum used memory over series of builds growth $maxGrowth (from $establishedMaximum to $totalMaximum) kb > $MEMORY_MAX_GROWTH_LIMIT_KB kb"
+            )
+
+            // testing that nothing remains locked by daemon, see KT-9440
+            project.build(userVariantArg, "clean", options = BaseGradleIT.BuildOptions(withDaemon = true)) {
+                assertSuccessful()
+            }
+        } finally {
+            exitTestDaemon()
+        }
+    }
+}

libraries/tools/kotlin-gradle-plugin-integration-tests/src/test/kotlin/org/jetbrains/kotlin/gradle/KotlinGradlePluginIT.kt

@@ -92,64 +92,6 @@ class KotlinGradleIT : BaseGradleIT() {
         }
     }
 
-    // For corresponding documentation, see https://docs.gradle.org/current/userguide/gradle_daemon.html
-    // Setting user.variant to different value implies a new daemon process will be created.
-    // In order to stop daemon process, special exit task is used ( System.exit(0) ).
-    @Test
-    fun testKotlinOnlyDaemonMemory() {
-        val project = Project("kotlinProject")
-        val VARIANT_CONSTANT = "ForTest"
-        val userVariantArg = "-Duser.variant=$VARIANT_CONSTANT"
-        val MEMORY_MAX_GROWTH_LIMIT_KB = 500
-        val BUILD_COUNT = 15
-        val reportMemoryUsage = "-Dkotlin.gradle.test.report.memory.usage=true"
-        val options = BaseGradleIT.BuildOptions(withDaemon = true)
-
-        fun exitTestDaemon() {
-            project.build(userVariantArg, reportMemoryUsage, "exit", options = options) {
-                assertFailed()
-                assertContains("The daemon has exited normally or was terminated in response to a user interrupt.")
-            }
-        }
-
-        fun buildAndGetMemoryAfterBuild(): Int {
-            var reportedMemory: Int? = null
-
-            project.build(userVariantArg, reportMemoryUsage, "clean", "build", options = options) {
-                assertSuccessful()
-                val matches = "\\[KOTLIN\\]\\[PERF\\] Used memory after build: (\\d+) kb \\(difference since build start: ([+-]?\\d+) kb\\)"
-                    .toRegex().find(output)
-                assert(matches != null && matches.groups.size == 3) { "Used memory after build is not reported by plugin" }
-                reportedMemory = matches!!.groupValues[1].toInt()
-            }
-
-            return reportedMemory!!
-        }
-
-        exitTestDaemon()
-
-        try {
-            val usedMemory = (1..BUILD_COUNT).map { buildAndGetMemoryAfterBuild() }
-
-            // ensure that the maximum of the used memory established after several first builds doesn't raise significantly in the subsequent builds
-            val establishedMaximum = usedMemory.take(5).max()!!
-            val totalMaximum = usedMemory.max()!!
-
-            val maxGrowth = totalMaximum - establishedMaximum
-            assertTrue(
-                maxGrowth <= MEMORY_MAX_GROWTH_LIMIT_KB,
-                "Maximum used memory over series of builds growth $maxGrowth (from $establishedMaximum to $totalMaximum) kb > $MEMORY_MAX_GROWTH_LIMIT_KB kb"
-            )
-
-            // testing that nothing remains locked by daemon, see KT-9440
-            project.build(userVariantArg, "clean", options = BaseGradleIT.BuildOptions(withDaemon = true)) {
-                assertSuccessful()
-            }
-        } finally {
-            exitTestDaemon()
-        }
-    }
-
     @Test
     fun testLogLevelForceGC() {
         val debugProject = Project("simpleProject", minLogLevel = LogLevel.LIFECYCLE)