tests: Add tests for viper binary operations.

tests/micropython/viper_binop_arith.py

@@ -0,0 +1,36 @@
+# test arithmetic operators
+
+@micropython.viper
+def add(x:int, y:int):
+    print(x + y)
+    print(y + x)
+add(1, 2)
+add(42, 3)
+add(-1, 2)
+add(-42, -3)
+
+@micropython.viper
+def sub(x:int, y:int):
+    print(x - y)
+    print(y - x)
+sub(1, 2)
+sub(42, 3)
+sub(-1, 2)
+sub(-42, -3)
+
+@micropython.viper
+def shl(x:int, y:int):
+    print(x << y)
+shl(1, 0)
+shl(1, 3)
+shl(1, 30)
+shl(42, 10)
+shl(-42, 10)
+
+@micropython.viper
+def shr(x:int, y:int):
+    print(x >> y)
+shr(1, 0)
+shr(1, 3)
+shr(42, 2)
+shr(-42, 2)

tests/micropython/viper_binop_arith.py.exp

@@ -0,0 +1,25 @@
+3
+3
+45
+45
+1
+1
+-45
+-45
+-1
+1
+39
+-39
+-3
+3
+-39
+39
+1
+8
+1073741824
+43008
+-43008
+1
+0
+10
+-11

tests/micropython/viper_binop_comp.py

@@ -0,0 +1,21 @@
+# test comparison operators
+@micropython.viper
+def f(x:int, y:int):
+    if x < y:
+        print(x, "<", y)
+    if x > y:
+        print(x, ">", y)
+    if x == y:
+        print(x, "==", y)
+    if x <= y:
+        print(x, "<=", y)
+    if x >= y:
+        print(x, ">=", y)
+    if x != y:
+        print(x, "!=", y)
+
+f(1, 1)
+f(2, 1)
+f(1, 2)
+f(2, -1)
+f(-2, 1)

tests/micropython/viper_binop_comp.py.exp

@@ -0,0 +1,15 @@
+1 == 1
+1 <= 1
+1 >= 1
+2 > 1
+2 >= 1
+2 != 1
+1 < 2
+1 <= 2
+1 != 2
+2 > -1
+2 >= -1
+2 != -1
+-2 < 1
+-2 <= 1
+-2 != 1