Avoid remembering and restoring enum constants #1397 #306 (#1416)

Author: EgorkaKulikov

utbot-framework-test/src/test/kotlin/org/utbot/examples/enums/ComplexEnumExamplesTest.kt

@@ -1,5 +1,6 @@
 package org.utbot.examples.enums
 
+import org.junit.jupiter.api.Disabled
 import org.junit.jupiter.api.Test
 import org.utbot.examples.enums.ComplexEnumExamples.Color
 import org.utbot.examples.enums.ComplexEnumExamples.Color.BLUE
@@ -74,6 +75,7 @@ class ComplexEnumExamplesTest : UtValueTestCaseChecker(
     }
 
     @Test
+    @Disabled("TODO: nested anonymous classes are not supported: https://github.com/UnitTestBot/UTBotJava/issues/617")
     fun testFindState() {
         check(
             ComplexEnumExamples::findState,

utbot-framework/src/main/kotlin/org/utbot/framework/codegen/tree/CgMethodConstructor.kt

@@ -1361,7 +1361,12 @@ open class CgMethodConstructor(val context: CgContext) : CgContextOwner by conte
             // TODO: remove this line when SAT-1273 is completed
             execution.displayName = execution.displayName?.let { "${executableId.name}: $it" }
             testMethod(testMethodName, execution.displayName) {
-                val statics = currentExecution!!.stateBefore.statics
+                //Enum constants are static, but there is no need to store and recover value for them
+                val statics = currentExecution!!.stateBefore
+                    .statics
+                    .filterNot { it.value is UtEnumConstantModel }
+                    .filterNot { it.value.classId.outerClass?.isEnum == true }
+
                 rememberInitialStaticFields(statics)
                 val stateAnalyzer = ExecutionStateAnalyzer(execution)
                 val modificationInfo = stateAnalyzer.findModifiedFields()