some new floating point printf tests, including one musl fails

1 files changed, 9 insertions, 0 deletions

diff --git a/snprintf.c b/snprintf.c
index ea28e18..79ec1cc 100644
--- a/snprintf.c
+++ b/snprintf.c
@@ -66,6 +66,9 @@ static const struct {
 	{ "%f", 1.3, "1.300000" },
 	{ "%f", 1.4, "1.400000" },
 	{ "%f", 1.5, "1.500000" },
+	{ "%.4f", 1.06125, "1.0612" },
+	{ "%.2f", 1.375, "1.38" },
+	{ "%.1f", 1.375, "1.4" },
 	
 	/* correctness in DBL_DIG places */
 	{ "%.15g", 1.23456789012345, "1.23456789012345" },
@@ -77,6 +80,10 @@ static const struct {
 	{ "%g", 1234567, "1.23457e+06" },
 	{ "%.7g", 1234567, "1234567" },
 	{ "%.7g", 12345678, "1.234568e+07" },
+	{ "%.8g", 0.1, "0.1" },
+	{ "%.9g", 0.1, "0.1" },
+	{ "%.10g", 0.1, "0.1" },
+	{ "%.11g", 0.1, "0.1" },
 
 	/* pi in double precision, printed to a few extra places */
 	{ "%.15f", M_PI, "3.141592653589793" },
@@ -134,5 +141,7 @@ int test_snprintf(void)
 		TEST_S(b, fp_tests[j].expect, "bad floating point conversion");
 	}
 
+	TEST(i, snprintf(0, 0, "%.4a", 1.0), 11, "%d != %d");
+
 	return err;
 }