Convert optional to InlineFlowTest

Author: Benjamin Muskalla

java/ql/test/library-tests/optional/test.ql

@@ -1,8 +1,5 @@
 import java
-import semmle.code.java.dataflow.DataFlow
-import semmle.code.java.dataflow.ExternalFlow
-import semmle.code.java.dataflow.TaintTracking
-import TestUtilities.InlineExpectationsTest
+import TestUtilities.InlineFlowTest
 
 class SummaryModelTest extends SummaryModelCsv {
   override predicate row(string row) {
@@ -14,50 +11,4 @@ class SummaryModelTest extends SummaryModelCsv {
   }
 }
 
-class ValueFlowConf extends DataFlow::Configuration {
-  ValueFlowConf() { this = "qltest:valueFlowConf" }
-
-  override predicate isSource(DataFlow::Node n) {
-    n.asExpr().(MethodAccess).getMethod().hasName("source")
-  }
-
-  override predicate isSink(DataFlow::Node n) {
-    n.asExpr().(Argument).getCall().getCallee().hasName("sink")
-  }
-}
-
-class TaintFlowConf extends TaintTracking::Configuration {
-  TaintFlowConf() { this = "qltest:taintFlowConf" }
-
-  override predicate isSource(DataFlow::Node n) {
-    n.asExpr().(MethodAccess).getMethod().hasName("source")
-  }
-
-  override predicate isSink(DataFlow::Node n) {
-    n.asExpr().(Argument).getCall().getCallee().hasName("sink")
-  }
-}
-
-class HasFlowTest extends InlineExpectationsTest {
-  HasFlowTest() { this = "HasFlowTest" }
-
-  override string getARelevantTag() { result = ["hasValueFlow", "hasTaintFlow"] }
-
-  override predicate hasActualResult(Location location, string element, string tag, string value) {
-    tag = "hasValueFlow" and
-    exists(DataFlow::Node src, DataFlow::Node sink, ValueFlowConf conf | conf.hasFlow(src, sink) |
-      sink.getLocation() = location and
-      element = sink.toString() and
-      value = ""
-    )
-    or
-    tag = "hasTaintFlow" and
-    exists(DataFlow::Node src, DataFlow::Node sink, TaintFlowConf conf |
-      conf.hasFlow(src, sink) and not any(ValueFlowConf c).hasFlow(src, sink)
-    |
-      sink.getLocation() = location and
-      element = sink.toString() and
-      value = ""
-    )
-  }
-}
+class HasFlowTest extends InlineFlowTest { }