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printf: Add smoke tests for long double

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The printf tests have no coverage for long double.  Duplicate the
double tests so that we have some basic coverage.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
This commit is contained in:
Siddhesh Poyarekar 2021-02-05 09:52:52 +05:30
parent 339f7fea92
commit 921e6f4198
2 changed files with 103 additions and 28 deletions
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65
stdio-common/tst-printf.c
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@ -127,21 +127,39 @@ I am ready for my first lesson today.";
printf("e-style < .1:\t\"%e\"\n", 0.001234);
printf("e-style big:\t\"%.60e\"\n", 1e20);
printf ("e-style == .1:\t\"%e\"\n", 0.1);
printf("f-style == 0:\t\"%f\"\n", 0.0);
printf("f-style >= 1:\t\"%f\"\n", 12.34);
printf("f-style >= .1:\t\"%f\"\n", 0.1234);
printf("f-style < .1:\t\"%f\"\n", 0.001234);
printf("g-style == 0:\t\"%g\"\n", 0.0);
printf("g-style >= 1:\t\"%g\"\n", 12.34);
printf("g-style >= .1:\t\"%g\"\n", 0.1234);
printf("g-style < .1:\t\"%g\"\n", 0.001234);
printf("g-style big:\t\"%.60g\"\n", 1e20);
printf("Lf-style == 0:\t\"%Lf\"\n", (long double) 0.0);
printf("Lf-style >= 1:\t\"%Lf\"\n", (long double) 12.34);
printf("Lf-style >= .1:\t\"%Lf\"\n", (long double) 0.1234);
printf("Lf-style < .1:\t\"%Lf\"\n", (long double) 0.001234);
printf("Lg-style == 0:\t\"%Lg\"\n", (long double) 0.0);
printf("Lg-style >= 1:\t\"%Lg\"\n", (long double) 12.34);
printf("Lg-style >= .1:\t\"%Lg\"\n", (long double) 0.1234);
printf("Lg-style < .1:\t\"%Lg\"\n", (long double) 0.001234);
printf("Lg-style big:\t\"%.60Lg\"\n", (long double) 1e20);
printf (" %6.5f\n", .099999999860301614);
printf (" %6.5f\n", .1);
printf ("x%5.4fx\n", .5);
printf (" %6.5Lf\n", (long double) .099999999860301614);
printf (" %6.5Lf\n", (long double) .1);
printf ("x%5.4Lfx\n", (long double) .5);
printf ("%#03x\n", 1);
printf ("something really insane: %.10000f\n", 1.0);
printf ("something really insane (long double): %.10000Lf\n",
(long double) 1.0);
{
double d = FLT_MIN;
@ -154,16 +172,25 @@ I am ready for my first lesson today.";
printf ("%15.5e\n", 4.9406564584124654e-324);
#define FORMAT "|%12.4f|%12.4e|%12.4g|\n"
printf (FORMAT, 0.0, 0.0, 0.0);
printf (FORMAT, 1.0, 1.0, 1.0);
printf (FORMAT, -1.0, -1.0, -1.0);
printf (FORMAT, 100.0, 100.0, 100.0);
printf (FORMAT, 1000.0, 1000.0, 1000.0);
printf (FORMAT, 10000.0, 10000.0, 10000.0);
printf (FORMAT, 12345.0, 12345.0, 12345.0);
printf (FORMAT, 100000.0, 100000.0, 100000.0);
printf (FORMAT, 123456.0, 123456.0, 123456.0);
#define FORMAT "|%12.4f|%12.4e|%12.4g|%12.4Lf|%12.4Lg|\n"
printf (FORMAT, 0.0, 0.0, 0.0,
(long double) 0.0, (long double) 0.0);
printf (FORMAT, 1.0, 1.0, 1.0,
(long double) 1.0, (long double) 1.0);
printf (FORMAT, -1.0, -1.0, -1.0,
(long double) -1.0, (long double) -1.0);
printf (FORMAT, 100.0, 100.0, 100.0,
(long double) 100.0, (long double) 100.0);
printf (FORMAT, 1000.0, 1000.0, 1000.0,
(long double) 1000.0, (long double) 1000.0);
printf (FORMAT, 10000.0, 10000.0, 10000.0,
(long double) 10000.0, (long double) 10000.0);
printf (FORMAT, 12345.0, 12345.0, 12345.0,
(long double) 12345.0, (long double) 12345.0);
printf (FORMAT, 100000.0, 100000.0, 100000.0,
(long double) 100000.0, (long double) 100000.0);
printf (FORMAT, 123456.0, 123456.0, 123456.0,
(long double) 123456.0, (long double) 123456.0);
#undef FORMAT
{
@ -269,6 +296,9 @@ rfg1 (void)
if (strcmp (buf, " ") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " ");
sprintf (buf, "%5.f", 33.3);
if (strcmp (buf, " 33") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 33");
sprintf (buf, "%5.Lf", (long double) 33.3);
if (strcmp (buf, " 33") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 33");
sprintf (buf, "%8.e", 33.3e7);
@ -278,6 +308,9 @@ rfg1 (void)
if (strcmp (buf, " 3E+08") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3E+08");
sprintf (buf, "%.g", 33.3);
if (strcmp (buf, "3e+01") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3e+01");
sprintf (buf, "%.Lg", (long double) 33.3);
if (strcmp (buf, "3e+01") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3e+01");
sprintf (buf, "%.G", 33.3);
@ -301,6 +334,18 @@ rfg2 (void)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
sprintf (buf, "%7.*G", prec, 3.33);
if (strcmp (buf, " 3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3");
prec = 0;
sprintf (buf, "%.*Lg", prec, (long double) 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
sprintf (buf, "%.*LG", prec, (long double) 3.3);
if (strcmp (buf, "3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, "3");
prec = 0;
sprintf (buf, "%7.*LG", prec, (long double) 3.33);
if (strcmp (buf, " 3") != 0)
printf ("got: '%s', expected: '%s'\n", buf, " 3");
prec = 3;

66
stdio-common/tst-printf.sh
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