test for some primitive functions

tests/lts.exp

+[_Tuple8 [True] [False] [True] [False] [False] [True] [False] [True]]
\ No newline at end of file

tests/lts.sapl

+main = test.Start
+test.Start = _Tuple8 (ltS test.a test.b) (ltS test.b test.a) (ltS test.a test.c) (ltS test.c test.a) (ltS test.b test.a) (ltS test.a test.b) (ltS test.a test.d) (ltS test.d test.a)
+test.a = "123"
+test.d = "12"
+test.b = "231"
+test.c = "3"

tests/toInt.exp

+[_Tuple3 [123] [65] [12]]
\ No newline at end of file

tests/toInt.sapl

+main = test.Start
+test.Start = _Tuple3 (S2I test.a) (C2I test.b) (R2I test.c)
+test.c::D = 12.3
+test.b::C = 'A'
+test.a = "123"

tests/toReal.exp

+[_Tuple3 [12.3] [123] [12.3]]
\ No newline at end of file

tests/toReal.sapl

+main = test.Start
+test.Start = _Tuple3 (S2R test.a) (I2R test.b) (R2R test.c)
+test.c::D = 12.3
+test.b::I = 123
+test.a = "12.3"