increase code coverage for bit integers

src/value/number/mod.rs

@@ -229,7 +229,10 @@ from_smaller_integer!(u8);
 
 impl fmt::Debug for Number {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "Number {{ {} }}", self)
+        match self {
+            Self::Machine(..) => write!(f, "Number::Machine( {} )", self),
+            Self::Big(..) => write!(f, "Number::Big( {} )", self),
+        }
     }
 }
 

tests/math.rs

@@ -38,6 +38,11 @@ test!(
     "a {\n  color: floor(10.6px);\n}\n",
     "a {\n  color: 10px;\n}\n"
 );
+test!(
+    floor_big_int,
+    "a {\n  color: floor(1.000000000000000001);\n}\n",
+    "a {\n  color: 1;\n}\n"
+);
 test!(
     ceil_below_pt_5,
     "a {\n  color: ceil(10.4px);\n}\n",
@@ -48,6 +53,11 @@ test!(
     "a {\n  color: ceil(10.6px);\n}\n",
     "a {\n  color: 11px;\n}\n"
 );
+test!(
+    ceil_big_int,
+    "a {\n  color: ceil(1.000000000000000001);\n}\n",
+    "a {\n  color: 2;\n}\n"
+);
 test!(
     abs_positive,
     "a {\n  color: abs(10);\n}\n",
@@ -93,3 +103,13 @@ test!(
     "a {\n  color: comparable($number1: 1, $number2: 2);\n}\n",
     "a {\n  color: true;\n}\n"
 );
+test!(
+    random_limit_one,
+    "a {\n  color: random(1);\n}\n",
+    "a {\n  color: 1;\n}\n"
+);
+test!(
+    random_limit_big_one,
+    "a {\n  color: random(1000000000000000001 - 1000000000000000000);\n}\n",
+    "a {\n  color: 1;\n}\n"
+);

tests/number.rs

@@ -168,3 +168,22 @@ error!(
     scientific_notation_ident_char_after_dash,
     "a {\n  color: 1e-a;\n}\n", "Error: Expected digit."
 );
+test!(
+    number_overflow_from_addition,
+    "a {\n  color: 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999
+                + 999999999999999999;\n}\n",
+    "a {\n  color: 9999999999999999990;\n}\n"
+);
+test!(
+    number_overflow_from_multiplication,
+    "a {\n  color: 999999999999999999 * 10;\n}\n",
+    "a {\n  color: 9999999999999999990;\n}\n"
+);