Fixed wrong sort during resolving StringBuilder (#1628)

Author: Damtev

utbot-framework-test/src/test/kotlin/org/utbot/examples/strings/StringExamplesTest.kt

@@ -301,6 +301,15 @@ internal class StringExamplesTest : UtValueTestCaseChecker(
         )
     }
 
+    @Test
+    fun testStringBuilderAsParameterExample() {
+        check(
+            StringExamples::stringBuilderAsParameterExample,
+            eq(1),
+            coverage = FullWithAssumptions(assumeCallsNumber = 1)
+        )
+    }
+
     @Test
     fun testNullableStringBuffer() {
         checkWithException(

utbot-framework/src/main/kotlin/org/utbot/engine/Strings.kt

@@ -220,7 +220,7 @@ sealed class UtAbstractStringBuilderWrapper(className: String) : BaseOverriddenW
         val arrayValuesChunkId = typeRegistry.arrayChunkId(charArrayType)
 
         val valuesFieldChunkId = hierarchy.chunkIdForField(overriddenClass.type, overriddenClass.valueField)
-        val valuesArrayAddrDescriptor = MemoryChunkDescriptor(valuesFieldChunkId, wrapper.type, charType)
+        val valuesArrayAddrDescriptor = MemoryChunkDescriptor(valuesFieldChunkId, wrapper.type, charArrayType)
         val valuesArrayAddr = findArray(valuesArrayAddrDescriptor, MemoryState.CURRENT).select(wrapper.addr)
 
         val valuesArrayDescriptor = MemoryChunkDescriptor(arrayValuesChunkId, charArrayType, charType)

utbot-sample/src/main/java/org/utbot/examples/strings/StringExamples.java

@@ -209,6 +209,11 @@ public String useStringBuffer(String fst, String snd) {
         return buffer.toString();
     }
 
+    // This test checks StringBuilder can be correctly constructed
+    public void stringBuilderAsParameterExample(StringBuilder sb) {
+        UtMock.assume(sb != null);
+    }
+
     public String nullableStringBuffer(StringBuffer buffer, int i) {
         if (i >= 0) {
             buffer.append("Positive");