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* sprintf.c (rb_f_sprintf): support FZERO and FSPACE with NaN/Inf.

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* test/ruby/test_sprintf.rb (test_nan, test_inf): add tests.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
usa 2004-06-22 14:38:21 +00:00
parent 29904b93f4
commit a28006f959
3 changed files with 95 additions and 3 deletions
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66
test/ruby/test_sprintf.rb
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@ -72,4 +72,70 @@ class TestSprintf < Test::Unit::TestCase
assert_equal(" +0010", sprintf("%+6.4b", 2))
assert_equal(" -0001", sprintf("%+6.4b", -1))
end
def test_nan
nan = 0.0 / 0.0
assert_equal("NaN", sprintf("%f", nan))
assert_equal("NaN", sprintf("%-f", nan))
assert_equal("+NaN", sprintf("%+f", nan))
assert_equal(" NaN", sprintf("%8f", nan))
assert_equal("NaN ", sprintf("%-8f", nan))
assert_equal(" +NaN", sprintf("%+8f", nan))
assert_equal("00000NaN", sprintf("%08f", nan))
assert_equal("NaN ", sprintf("%-08f", nan))
assert_equal("+0000NaN", sprintf("%+08f", nan))
assert_equal(" NaN", sprintf("% 8f", nan))
assert_equal(" NaN ", sprintf("%- 8f", nan))
assert_equal(" +NaN", sprintf("%+ 8f", nan))
assert_equal(" 0000NaN", sprintf("% 08f", nan))
assert_equal(" NaN ", sprintf("%- 08f", nan))
assert_equal("+0000NaN", sprintf("%+ 08f", nan))
end
def test_inf
inf = 1.0 / 0.0
assert_equal("Inf", sprintf("%f", inf))
assert_equal("Inf", sprintf("%-f", inf))
assert_equal("+Inf", sprintf("%+f", inf))
assert_equal(" Inf", sprintf("%8f", inf))
assert_equal("Inf ", sprintf("%-8f", inf))
assert_equal(" +Inf", sprintf("%+8f", inf))
assert_equal("00000Inf", sprintf("%08f", inf))
assert_equal("Inf ", sprintf("%-08f", inf))
assert_equal("+0000Inf", sprintf("%+08f", inf))
assert_equal(" Inf", sprintf("% 8f", inf))
assert_equal(" Inf ", sprintf("%- 8f", inf))
assert_equal(" +Inf", sprintf("%+ 8f", inf))
assert_equal(" 0000Inf", sprintf("% 08f", inf))
assert_equal(" Inf ", sprintf("%- 08f", inf))
assert_equal("+0000Inf", sprintf("%+ 08f", inf))
assert_equal("-Inf", sprintf("%f", -inf))
assert_equal("-Inf", sprintf("%-f", -inf))
assert_equal("-Inf", sprintf("%+f", -inf))
assert_equal(" -Inf", sprintf("%8f", -inf))
assert_equal("-Inf ", sprintf("%-8f", -inf))
assert_equal(" -Inf", sprintf("%+8f", -inf))
assert_equal("-0000Inf", sprintf("%08f", -inf))
assert_equal("-Inf ", sprintf("%-08f", -inf))
assert_equal("-0000Inf", sprintf("%+08f", -inf))
assert_equal(" -Inf", sprintf("% 8f", -inf))
assert_equal("-Inf ", sprintf("%- 8f", -inf))
assert_equal(" -Inf", sprintf("%+ 8f", -inf))
assert_equal("-0000Inf", sprintf("% 08f", -inf))
assert_equal("-Inf ", sprintf("%- 08f", -inf))
assert_equal("-0000Inf", sprintf("%+ 08f", -inf))
end
end