#256 Added unit test to illustrate rounding errors when printing doubles

bitcraze · Jan 23, 2018 · 0e5e42e · 0e5e42e
1 parent c6a5825
commit 0e5e42e
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/test/utils/src/TestEprintf.c b/test/utils/src/TestEprintf.c
@@ -188,6 +188,16 @@ void testThatHexWithWidthIsPrinted() {
   verifyStdio("Some %4X text", val);
 }
 
+void testThatDoubleIsPrintedWithRoundingErrors() {
+  // Fixture
+  double val = -1234.12;
+  char* expected = "Implementaion has rounding errors, -1234.119995";
+
+  // Test
+  // Assert
+  verify(expected, "Implementaion has rounding errors, %f", val);
+}
+
 void testThatHexWithZeroPaddedWidthIsPrinted() {
   // Fixture
   int val = 0xab;