summaryrefslogtreecommitdiff
path: root/stdlib/tst-strtod2.c
diff options
context:
space:
mode:
Diffstat (limited to 'stdlib/tst-strtod2.c')
-rw-r--r--stdlib/tst-strtod2.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/stdlib/tst-strtod2.c b/stdlib/tst-strtod2.c
new file mode 100644
index 0000000000..30d8d9df65
--- /dev/null
+++ b/stdlib/tst-strtod2.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+struct test
+{
+ const char *str;
+ double result;
+ size_t offset;
+} tests[] =
+{
+ { "0xy", 0.0, 1 },
+ { "0x.y", 0.0, 1 },
+ { "0x0.y", 0.0, 4 },
+ { "0x.0y", 0.0, 4 },
+ { ".y", 0.0, 0 },
+ { "0.y", 0.0, 2 },
+ { ".0y", 0.0, 2 }
+};
+
+static int
+do_test (void)
+{
+ int status = 0;
+ for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); ++i)
+ {
+ char *ep;
+ double r = strtod (tests[i].str, &ep);
+ if (r != tests[i].result)
+ {
+ printf ("test %zu r = %g, expect %g\n", i, r, tests[i].result);
+ status = 1;
+ }
+ if (ep != tests[i].str + tests[i].offset)
+ {
+ printf ("test %zu strtod parsed %ju characters, expected %zu\n",
+ i, ep - tests[i].str, tests[i].offset);
+ status = 1;
+ }
+ }
+ return status;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"