Add tests

Author: sergeypospelov

utbot-framework-test/src/test/kotlin/org/utbot/bytecode/versions/SootTest.kt

@@ -0,0 +1,69 @@
+package org.utbot.bytecode.versions
+
+import org.junit.jupiter.api.Assertions.assertFalse
+import org.junit.jupiter.api.Assertions.assertNotNull
+import org.junit.jupiter.api.Assertions.assertNull
+import org.junit.jupiter.api.Assertions.assertTrue
+import org.junit.jupiter.api.Disabled
+import org.junit.jupiter.api.Test
+import org.utbot.examples.objects.SimpleDataClass
+import org.utbot.framework.util.SootUtils.runSoot
+import soot.Scene
+
+@Suppress("UNREACHABLE_CODE")
+@Disabled("TODO: https://github.com/UnitTestBot/UTBotJava/issues/891")
+class SootTest {
+    @Test
+    fun `no method isBlank in JDK 8`() {
+        runSoot(
+            SimpleDataClass::class.java,
+            forceReload = true,
+            TODO("Get JDK 8")
+        )
+
+        val stringClass = Scene.v().getSootClass("java.lang.String")
+        assertFalse(stringClass.isPhantomClass)
+
+        val isBlankMethod = stringClass.getMethodByNameUnsafe("isBlank") // no such method in JDK 8
+        assertNull(isBlankMethod)
+    }
+
+    @Test
+    fun `method isBlank exists in JDK 11`() {
+        runSoot(
+            SimpleDataClass::class.java,
+            forceReload = true,
+            TODO("Get JDK 11")
+        )
+
+        val stringClass = Scene.v().getSootClass("java.lang.String")
+        assertFalse(stringClass.isPhantomClass)
+
+        val isBlankMethod = stringClass.getMethodByNameUnsafe("isBlank") // there is such method in JDK 11
+        assertNotNull(isBlankMethod)
+    }
+
+    @Test
+    fun `no records in JDK 11`() {
+        runSoot(
+            SimpleDataClass::class.java,
+            forceReload = true,
+            TODO("Get JDK 11")
+        )
+
+        val stringClass = Scene.v().getSootClass("java.lang.Record") // must not exist in JDK 11
+        assertTrue(stringClass.isPhantomClass)
+    }
+
+    @Test
+    fun `records exists in JDK 17`() {
+        runSoot(
+            SimpleDataClass::class.java,
+            forceReload = true,
+            TODO("Get JDK 17")
+        )
+
+        val stringClass = Scene.v().getSootClass("java.lang.Record") // must exist in JDK 17
+        assertFalse(stringClass.isPhantomClass)
+    }
+}