Add tests

integration_tests/expr_01u.py

@@ -1,4 +1,4 @@
-from lpython import inline, u32, u64, i64
+from lpython import inline, u32, u64, i64, i32, u16
 
 @inline
 def uadd(x: u32, y: u32) -> u32:
@@ -28,6 +28,11 @@ def main1():
     cycles_count = u64((end_cycle - start_cycle) / num_iters)
     assert cycles_count == u64(24)
 
+    # test issue 1949
+    x1: i32 = 20
+    y1: i32 = 10
+    assert u16(x1) > u16(y1)
+
 
 main1()
 

tests/errors/test_compare_01.py

@@ -0,0 +1,8 @@
+from lpython import i32, f32, i16
+
+def f():
+    x: i32 = 10
+    y: i32 = 13
+    print(i16(x) > f32(y))
+
+f()

tests/errors/test_compare_02.py

@@ -0,0 +1,8 @@
+from lpython import i32, u32
+
+def f():
+    x: i32 = 10
+    y: u32 = u32(13)
+    print(x > y)
+
+f()

tests/tests.toml

@@ -683,6 +683,14 @@ asr = true
 filename = "errors/const_02.py"
 asr = true
 
+[[test]]
+filename = "errors/test_compare_01.py"
+asr = true
+
+[[test]]
+filename = "errors/test_compare_02.py"
+asr = true
+
 [[test]]
 filename = "parser/type_comment1.py"
 ast_new = true