Add some testcases, focus gitignore

.gitignore

@@ -21,12 +21,14 @@ target
 derivation*.dot
 
 # leon
-last.log
-*.last
-*.table
-*.log
-smt-sessions/
-leon.out/
+/last.log
+/*.last
+/*.table
+/*.log
+/smt-sessions/
+/leon.out/
+/repairs.dat
+/tmp
 
 #eclipse
 .cache
@@ -41,13 +43,13 @@ Leon.eml
 Leon.iml
 
 #scripts
-out-classes
+/out-classes
 
 #z3
 .z3-trace
 
 #travis
-travis/builds
+/travis/builds
 
 # Isabelle
 contrib

testcases/repair/features/focusIfCondition.scala

+object Test {
+  def focusCond(a: BigInt) = {
+    if (a < 0) {
+      -a + 1
+    } else {
+      a
+    }
+  } ensuring {
+    _ > 0
+  }
+}

testcases/repair/features/focusIfElse.scala

+object Test {
+  def focusCond(a: BigInt) = {
+    if (a > 0) {
+      a
+    } else {
+      BigInt(-1)
+    }
+  } ensuring {
+    _ > 0
+  }
+}

testcases/repair/features/focusIfThen.scala

+object Test {
+  def focusCond(a: BigInt) = {
+    if (a <= 0) {
+      BigInt(-1)
+    } else {
+      a
+    }
+  } ensuring {
+    _ > 0
+  }
+}

testcases/repair/features/focusLetBody.scala

+object Test {
+  def focusCond(a: BigInt) = {
+    val tmp = -a
+    tmp
+  } ensuring {
+    _ > 0
+  }
+}

testcases/repair/features/focusMatch.scala

+import leon.lang._
+
+object Test {
+  def focusMatch(a: BigInt, b: BigInt) = {
+    (a, b) match {
+      case (otherA, BigInt(0)) => otherA
+      case _ => a+1
+    }
+  } ensuring {
+    res => if (b == 0) {
+      res == 0
+    } else {
+      res == a+1
+    }
+  }
+}

testcases/repair/features/splitIf.scala

+object Test {
+  def focusCond(a: BigInt) = {
+    if (a <= 0) {
+      (a, BigInt(0))
+    } else {
+      (a, BigInt(0))
+    }
+  } ensuring {
+    res => res._1 == a && res._2 > 1
+  }
+}

testcases/repair/features/splitMatch.scala

+import leon.lang._
+
+object Test {
+  def focusCond(a: BigInt) = {
+    a match {
+      case BigInt(1) => (BigInt(2), BigInt(0))
+      case BigInt(2) => (BigInt(2), BigInt(0))
+      case _ => (BigInt(0), BigInt(0))
+    }
+  } ensuring {
+    res => res._1 == a && res._2 > 1
+  }
+}