add missing float/double bounds check (#128)

* add missing float/double bounds check

Signed-off-by: Seulbae Kim <squizz617@gmail.com>
Co-authored-by: Chris Lalancette <clalancette@openrobotics.org>

rosidl_generator_py/resource/_msg.py.em

@@ -497,6 +497,22 @@ bound = 2**nbits
 @[    elif isinstance(type_, BasicType) and type_.typename == 'char']@
                  all(val >= 0 and val) < 256 for val in value)), \
 @{assert_msg_suffixes.append('and each char in [0, 255]')}@
+@[    elif isinstance(type_, BasicType) and type_.typename in FLOATING_POINT_TYPES]@
+@[      if type_.typename == "float"]@
+@{
+name = "float"
+bound = 3.402823e+38
+}@
+                 all(val >= -@(bound) and val <= @(bound) for val in value)), \
+@{assert_msg_suffixes.append('and each float in [%f, %f]' % (-bound, bound))}@
+@[      elif type_.typename == "double"]@
+@{
+name = "double"
+bound = 1.7976931348623157e+308
+}@
+                 all(val >= -@(bound) and val <= @(bound) for val in value)), \
+@{assert_msg_suffixes.append('and each double in [%f, %f]' % (-bound, bound))}@
+@[      end if]@
 @[    else]@
                  True), \
 @[    end if]@
@@ -538,6 +554,20 @@ bound = 2**nbits
 }@
             assert value >= 0 and value < @(bound), \
                 "The '@(member.name)' field must be an unsigned integer in [0, @(bound - 1)]"
+@[    elif type_.typename in FLOATING_POINT_TYPES]@
+@[      if type_.typename == "float"]@
+@{
+name = "float"
+bound = 3.402823e+38
+}@
+@[      elif type_.typename == "double"]@
+@{
+name = "double"
+bound = 1.7976931348623157e+308
+}@
+@[      end if]@
+            assert value >= -@(bound) and value <= @(bound), \
+                "The '@(member.name)' field must be a @(name) in [@(-bound), @(bound)]"
 @[    end if]@
 @[  else]@
                 False

rosidl_generator_py/test/test_interfaces.py

@@ -111,6 +111,14 @@ def test_basic_types():
             setattr(msg, 'uint%d_value' % i, -1)
         with pytest.raises(AssertionError):
             setattr(msg, 'int%d_value' % i, 2**i)
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float32_value', -3.5e+38)
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float32_value', 3.5e+38)
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float64_value', 1.8e+308)
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float64_value', -1.8e+308)
 
 
 def test_strings():
@@ -450,6 +458,10 @@ def test_arrays():
         setattr(msg, 'uint64_values', [2**64, 1, 2])
     with pytest.raises(AssertionError):
         setattr(msg, 'uint64_values', [-1, 1, 2])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float32_values', [-3.5e+38, 0.0, 3.5e+38])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float64_values', [-1.8e+308, 0.0, 1.8e+308])
 
 
 def test_bounded_sequences():
@@ -661,6 +673,10 @@ def test_bounded_sequences():
         setattr(msg, 'uint64_values', [2**64, 1, 2])
     with pytest.raises(AssertionError):
         setattr(msg, 'uint64_values', [-1, 1, 2])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float32_values', [-3.5e+38, 0.0, 3.5e+38])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float64_values', [-1.8e+308, 0.0, 1.8e+308])
 
 
 def test_unbounded_sequences():
@@ -800,6 +816,10 @@ def test_unbounded_sequences():
         setattr(msg, 'uint64_values', [2**64, 1, 2])
     with pytest.raises(AssertionError):
         setattr(msg, 'uint64_values', [-1, 1, 2])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float32_values', [-3.5e+38, 0.0, 3.5e+38])
+    with pytest.raises(AssertionError):
+        setattr(msg, 'float64_values', [-1.8e+308, 0.0, 1.8e+308])
 
 
 def test_slot_attributes():