Fix coverage with several contract classes; table annotation and file path checks; clean task dir on write

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014aUaQeLnwbb1zTpN7kHeat

tasks_gen/eval/G0105/reference/t14_test.clas.abap

@@ -0,0 +1,62 @@
+CLASS {{p}}t14_test DEFINITION PUBLIC FINAL CREATE PUBLIC
+  FOR TESTING DURATION SHORT RISK LEVEL HARMLESS.
+
+  PRIVATE SECTION.
+    METHODS call_fee
+      IMPORTING iv_km    TYPE decfloat34
+                iv_class TYPE i
+                iv_axles TYPE i
+      EXPORTING ev_fee   TYPE decfloat34
+                ev_subrc TYPE sysubrc.
+    METHODS returns_fee FOR TESTING.
+    METHODS rejects_input FOR TESTING.
+ENDCLASS.
+
+
+CLASS {{p}}t14_test IMPLEMENTATION.
+
+  METHOD call_fee.
+    CALL FUNCTION '{{P}}TOLL_FEE'
+      EXPORTING
+        iv_distance_km  = iv_km
+        iv_weight_class = iv_class
+        iv_axles        = iv_axles
+      IMPORTING
+        ev_fee          = ev_fee
+      EXCEPTIONS
+        invalid_input   = 1
+        OTHERS          = 2.
+    ev_subrc = sy-subrc.
+  ENDMETHOD.
+
+  METHOD returns_fee.
+    DATA lv_fee TYPE decfloat34.
+    DATA lv_rc TYPE sysubrc.
+    call_fee(
+      EXPORTING
+        iv_km    = 100
+        iv_class = 2
+        iv_axles = 3
+      IMPORTING
+        ev_fee   = lv_fee
+        ev_subrc = lv_rc ).
+    cl_abap_unit_assert=>assert_equals( exp = 0 act = lv_rc ).
+    cl_abap_unit_assert=>assert_equals( exp = CONV decfloat34( '14.70' ) act = lv_fee ).
+  ENDMETHOD.
+
+  METHOD rejects_input.
+    DATA lv_fee TYPE decfloat34.
+    DATA lv_rc TYPE sysubrc.
+    call_fee(
+      EXPORTING
+        iv_km    = -1
+        iv_class = 1
+        iv_axles = 2
+      IMPORTING
+        ev_fee   = lv_fee
+        ev_subrc = lv_rc ).
+    cl_abap_unit_assert=>assert_equals( exp = 1 act = lv_rc ).
+    cl_abap_unit_assert=>assert_initial( act = lv_fee ).
+  ENDMETHOD.
+
+ENDCLASS.