| #assert('Kernel.sprintf') do |
| #end |
| |
| assert('String#%') do |
| assert_equal "one=1", "one=%d" % 1 |
| assert_equal "1 one 1.0", "%d %s %3.1f" % [ 1, "one", 1.01 ] |
| assert_equal "123 < 456", "%{num} < %<str>s" % { num: 123, str: "456" } |
| assert_equal 15, ("%b" % (1<<14)).size |
| end |
| |
| assert('String#% with inf') do |
| inf = Float::INFINITY |
| |
| assert_equal "Inf", "%f" % inf |
| assert_equal "Inf", "%2f" % inf |
| assert_equal "Inf", "%3f" % inf |
| assert_equal " Inf", "%4f" % inf |
| assert_equal " Inf", "%5f" % inf |
| |
| assert_equal "+Inf", "%+f" % inf |
| assert_equal "+Inf", "%+2f" % inf |
| assert_equal "+Inf", "%+3f" % inf |
| assert_equal "+Inf", "%+4f" % inf |
| assert_equal " +Inf", "%+5f" % inf |
| |
| assert_equal "Inf", "%-f" % inf |
| assert_equal "Inf", "%-2f" % inf |
| assert_equal "Inf", "%-3f" % inf |
| assert_equal "Inf ", "%-4f" % inf |
| assert_equal "Inf ", "%-5f" % inf |
| |
| assert_equal " Inf", "% f" % inf |
| assert_equal " Inf", "% 2f" % inf |
| assert_equal " Inf", "% 3f" % inf |
| assert_equal " Inf", "% 4f" % inf |
| assert_equal " Inf", "% 5f" % inf |
| end |
| |
| assert('String#% with nan') do |
| nan = Float::NAN |
| |
| assert_equal "NaN", "%f" % nan |
| assert_equal "NaN", "%2f" % nan |
| assert_equal "NaN", "%3f" % nan |
| assert_equal " NaN", "%4f" % nan |
| assert_equal " NaN", "%5f" % nan |
| |
| assert_equal "+NaN", "%+f" % nan |
| assert_equal "+NaN", "%+2f" % nan |
| assert_equal "+NaN", "%+3f" % nan |
| assert_equal "+NaN", "%+4f" % nan |
| assert_equal " +NaN", "%+5f" % nan |
| |
| assert_equal "NaN", "%-f" % nan |
| assert_equal "NaN", "%-2f" % nan |
| assert_equal "NaN", "%-3f" % nan |
| assert_equal "NaN ", "%-4f" % nan |
| assert_equal "NaN ", "%-5f" % nan |
| |
| assert_equal " NaN", "% f" % nan |
| assert_equal " NaN", "% 2f" % nan |
| assert_equal " NaN", "% 3f" % nan |
| assert_equal " NaN", "% 4f" % nan |
| assert_equal " NaN", "% 5f" % nan |
| end |
| |
| assert("String#% with invalid chr") do |
| begin |
| class Fixnum |
| alias_method :chr_, :chr if method_defined?(:chr) |
| |
| def chr |
| nil |
| end |
| end |
| |
| assert_raise TypeError do |
| "%c" % 0x80 |
| end |
| ensure |
| class Fixnum |
| if method_defined?(:chr_) |
| alias_method :chr, :chr_ |
| remove_method :chr_ |
| end |
| end |
| end |
| end |
| |
| assert("String#% %b") do |
| assert_equal("..10115", "%0b5" % -5) |
| end |
| |
| assert("String#% %d") do |
| assert_equal(" 10", "%4d" % 10) |
| assert_equal("1000", "%4d" % 1000) |
| assert_equal("100000", "%4d" % 100000) |
| end |
| |
| assert("String#% invalid format") do |
| assert_raise ArgumentError do |
| "%?" % "" |
| end |
| end |
| |
| assert("String#% invalid format shared substring") do |
| fmt = ("x"*30+"%!")[0...-1] |
| assert_equal fmt, sprintf(fmt, "") |
| end |