diff --git a/lib/calc-text-width.js b/lib/calc-text-width.js
index bb687bd..bba704c 100644
--- a/lib/calc-text-width.js
+++ b/lib/calc-text-width.js
@@ -17,7 +17,6 @@ function calcWidth (charWidthTable) {
         charCode = text[i].charCodeAt()
         total += widthTable[charCode < 127 ? charCode : 64] // "@" for overflows
       }
-      console.log(total)
       return total
     }
   }
diff --git a/test/calc-text-width.spec.js b/test/calc-text-width.spec.js
index 38bf409..24557fd 100644
--- a/test/calc-text-width.spec.js
+++ b/test/calc-text-width.spec.js
@@ -5,5 +5,6 @@ tap.test('calc width for "npm"', t => {
   t.ok(typeof Arial12 === 'function', 'export function: Arial12')
   t.ok(Number.isFinite(Arial12('npm')), 'result is number')
   t.ok(Arial12('npm') > 0, 'result is positive number')
+  t.ok(Arial12('npm') === 24.543750000000003, 'result is correct value')
   t.end()
 })