diff --git a/tests/fmt_print/main.c b/tests/fmt_print/main.c
index 1b5ecfba27..15159293a5 100644
--- a/tests/fmt_print/main.c
+++ b/tests/fmt_print/main.c
@@ -25,6 +25,24 @@
 int main(void)
 {
     print_str("If you can read this:\n");
+    print_u32_dec(0xFFFFFFFF);
+    print_str("\n");
+    print_s32_dec(0x80000000);
+    print_str("\n");
+    print_byte_hex(0xFA);
+    print_str("\n");
+    print_s32_dec(0x80000000);
+    print_str("\n");
+    print_u32_hex(0x12345678);
+    print_str("\n");
+    print_u64_hex(0x123456789ABCDEF0);
+    print_str("\n");
+    print_u64_dec(0xFFFFFFFFFFFFFFFF);
+    print_str("\n");
+    print_s64_dec(0x8000000000000000);
+    print_str("\n");
+    print_float(1.2345, 5);
+    print_str("\n");
     print_str("Test successful.\n");
 
     return 0;
diff --git a/tests/fmt_print/tests/01-run.py b/tests/fmt_print/tests/01-run.py
index 9f6f3d7348..3f69b950a1 100755
--- a/tests/fmt_print/tests/01-run.py
+++ b/tests/fmt_print/tests/01-run.py
@@ -6,6 +6,15 @@ from testrunner import run
 
 def testfunc(child):
     child.expect_exact('If you can read this:')
+    child.expect_exact('4294967295')
+    child.expect_exact('-2147483648')
+    child.expect_exact('FA')
+    child.expect_exact('-2147483648')
+    child.expect_exact('12345678')
+    child.expect_exact('123456789ABCDEF0')
+    child.expect_exact('18446744073709551615')
+    child.expect_exact('-9223372036854775808')
+    child.expect_exact('1.23450')
     child.expect_exact('Test successful.')