From e506e71b0ecc8d54496c590caa7bf572d8356815 Mon Sep 17 00:00:00 2001 From: Gavin Hayes Date: Wed, 17 Aug 2022 23:36:11 -0400 Subject: [PATCH] stdio fmt: fix %g tests to match glibc, add more tests --- test/libc/fmt/fmt_test.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/test/libc/fmt/fmt_test.c b/test/libc/fmt/fmt_test.c index b0052879d..e1670084a 100644 --- a/test/libc/fmt/fmt_test.c +++ b/test/libc/fmt/fmt_test.c @@ -70,12 +70,24 @@ TEST(fmt, g) { EXPECT_STREQ("+1", gc(xasprintf("%+g", 1.))); EXPECT_STREQ("-1", gc(xasprintf("%g", -1.))); EXPECT_STREQ("10", gc(xasprintf("%g", 10.))); - EXPECT_STREQ("10", gc(xasprintf("%.0g", 10.))); EXPECT_STREQ("-10", gc(xasprintf("%g", -10.))); - EXPECT_STREQ("-10", gc(xasprintf("%.0g", -10.))); + EXPECT_STREQ("1e+01", gc(xasprintf("%.0g", 10.))); + EXPECT_STREQ("-1e+01", gc(xasprintf("%.0g", -10.))); + EXPECT_STREQ("1", gc(xasprintf("%.0g", 1.0))); + EXPECT_STREQ("1e-05", gc(xasprintf("%.0g", 0.00001))); + EXPECT_STREQ("0.0001", gc(xasprintf("%.0g", 0.0001))); + EXPECT_STREQ("1e+01", gc(xasprintf("%.1g", 10.))); + EXPECT_STREQ("-1e+01", gc(xasprintf("%.1g", -10.))); + EXPECT_STREQ("1", gc(xasprintf("%.1g", 1.0))); + EXPECT_STREQ("1e-05", gc(xasprintf("%.1g", 0.00001))); + EXPECT_STREQ("0.0001", gc(xasprintf("%.1g", 0.0001))); + EXPECT_STREQ("0.007812", gc(xasprintf("%.4g", 0.0078125))); + EXPECT_STREQ("0.023438", gc(xasprintf("%.5g", 0.0234375))); EXPECT_STREQ("1e+100", gc(xasprintf("%g", 1e100))); EXPECT_STREQ("1e-100", gc(xasprintf("%g", 1e-100))); EXPECT_STREQ("-1e-100", gc(xasprintf("%g", -1e-100))); + EXPECT_STREQ("0.123456", gc(xasprintf("%g", 0.1234564))); + EXPECT_STREQ("0.123457", gc(xasprintf("%g", 0.1234566))); EXPECT_STREQ("3.14159", gc(xasprintf("%g", 0x1.921fb54442d1846ap+1))); EXPECT_STREQ("0", gc(xasprintf("%g", 0.))); EXPECT_STREQ("-0", gc(xasprintf("%g", -0.)));