diff options
Diffstat (limited to 'test')
| -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 8716e7021d..c72eadb218 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 |