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| author | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-06-22 14:38:21 +0000 |
|---|---|---|
| committer | usa <usa@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2004-06-22 14:38:21 +0000 |
| commit | df9aab72113b9d095a1219d4be839005d87441dd (patch) | |
| tree | 65a18f191504732b699290f8e712899371c42731 /test/ruby | |
| parent | 70162a849ed59635a054c20f96084420e48902a6 (diff) | |
| download | ruby-df9aab72113b9d095a1219d4be839005d87441dd.tar.gz ruby-df9aab72113b9d095a1219d4be839005d87441dd.tar.xz ruby-df9aab72113b9d095a1219d4be839005d87441dd.zip | |
* sprintf.c (rb_f_sprintf): support FZERO and FSPACE with NaN/Inf.
* test/ruby/test_sprintf.rb (test_nan, test_inf): add tests.
git-svn-id: http://svn.ruby-lang.org/repos/ruby/trunk@6495 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/ruby')
| -rw-r--r-- | test/ruby/test_sprintf.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/test/ruby/test_sprintf.rb b/test/ruby/test_sprintf.rb index 8716e7021..c72eadb21 100644 --- a/test/ruby/test_sprintf.rb +++ b/test/ruby/test_sprintf.rb @@ -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 |