require 'test/unit' class TestSprintf < Test::Unit::TestCase def test_positional assert_equal(" 00001", sprintf("%*1$.*2$3$d", 10, 5, 1)) end def test_binary assert_equal("0", sprintf("%b", 0)) assert_equal("1", sprintf("%b", 1)) assert_equal("10", sprintf("%b", 2)) assert_equal("..1", sprintf("%b", -1)) assert_equal(" 0", sprintf("%4b", 0)) assert_equal(" 1", sprintf("%4b", 1)) assert_equal(" 10", sprintf("%4b", 2)) assert_equal(" ..1", sprintf("%4b", -1)) assert_equal("0000", sprintf("%04b", 0)) assert_equal("0001", sprintf("%04b", 1)) assert_equal("0010", sprintf("%04b", 2)) assert_equal("..11", sprintf("%04b", -1)) assert_equal("0000", sprintf("%.4b", 0)) assert_equal("0001", sprintf("%.4b", 1)) assert_equal("0010", sprintf("%.4b", 2)) assert_equal("..11", sprintf("%.4b", -1)) assert_equal(" 0000", sprintf("%6.4b", 0)) assert_equal(" 0001", sprintf("%6.4b", 1)) assert_equal(" 0010", sprintf("%6.4b", 2)) assert_equal(" ..11", sprintf("%6.4b", -1)) assert_equal(" 0", sprintf("%#4b", 0)) assert_equal(" 0b1", sprintf("%#4b", 1)) assert_equal("0b10", sprintf("%#4b", 2)) assert_equal("0b..1", sprintf("%#4b", -1)) assert_equal("0000", sprintf("%#04b", 0)) assert_equal("0b01", sprintf("%#04b", 1)) assert_equal("0b10", sprintf("%#04b", 2)) assert_equal("0b..1", sprintf("%#04b", -1)) assert_equal("0000", sprintf("%#.4b", 0)) assert_equal("0b0001", sprintf("%#.4b", 1)) assert_equal("0b0010", sprintf("%#.4b", 2)) assert_equal("0b..11", sprintf("%#.4b", -1)) assert_equal(" 0000", sprintf("%#6.4b", 0)) assert_equal("0b0001", sprintf("%#6.4b", 1)) assert_equal("0b0010", sprintf("%#6.4b", 2)) assert_equal("0b..11", sprintf("%#6.4b", -1)) assert_equal("+0", sprintf("%+b", 0)) assert_equal("+1", sprintf("%+b", 1)) assert_equal("+10", sprintf("%+b", 2)) assert_equal("-1", sprintf("%+b", -1)) assert_equal(" +0", sprintf("%+4b", 0)) assert_equal(" +1", sprintf("%+4b", 1)) assert_equal(" +10", sprintf("%+4b", 2)) assert_equal(" -1", sprintf("%+4b", -1)) assert_equal("+000", sprintf("%+04b", 0)) assert_equal("+001", sprintf("%+04b", 1)) assert_equal("+010", sprintf("%+04b", 2)) assert_equal("-001", sprintf("%+04b", -1)) assert_equal("+0000", sprintf("%+.4b", 0)) assert_equal("+0001", sprintf("%+.4b", 1)) assert_equal("+0010", sprintf("%+.4b", 2)) assert_equal("-0001", sprintf("%+.4b", -1)) assert_equal(" +0000", sprintf("%+6.4b", 0)) assert_equal(" +0001", sprintf("%+6.4b", 1)) 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(" NaN", sprintf("%08f", nan)) assert_equal("NaN ", sprintf("%-08f", nan)) assert_equal(" +NaN", sprintf("%+08f", nan)) assert_equal(" NaN", sprintf("% 8f", nan)) assert_equal(" NaN ", sprintf("%- 8f", nan)) assert_equal(" +NaN", sprintf("%+ 8f", nan)) assert_equal(" NaN", sprintf("% 08f", nan)) assert_equal(" NaN ", sprintf("%- 08f", nan)) assert_equal(" +NaN", 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(" Inf", sprintf("%08f", inf)) assert_equal("Inf ", sprintf("%-08f", inf)) assert_equal(" +Inf", sprintf("%+08f", inf)) assert_equal(" Inf", sprintf("% 8f", inf)) assert_equal(" Inf ", sprintf("%- 8f", inf)) assert_equal(" +Inf", sprintf("%+ 8f", inf)) assert_equal(" Inf", sprintf("% 08f", inf)) assert_equal(" Inf ", sprintf("%- 08f", inf)) assert_equal(" +Inf", 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(" -Inf", sprintf("%08f", -inf)) assert_equal("-Inf ", sprintf("%-08f", -inf)) assert_equal(" -Inf", sprintf("%+08f", -inf)) assert_equal(" -Inf", sprintf("% 8f", -inf)) assert_equal("-Inf ", sprintf("%- 8f", -inf)) assert_equal(" -Inf", sprintf("%+ 8f", -inf)) assert_equal(" -Inf", sprintf("% 08f", -inf)) assert_equal("-Inf ", sprintf("%- 08f", -inf)) assert_equal(" -Inf", sprintf("%+ 08f", -inf)) assert_equal('..f00000000', sprintf("%x", -2**32), '[ruby-dev:32351]') assert_equal("..101111111111111111111111111111111", sprintf("%b", -2147483649), '[ruby-dev:32365]') assert_equal(" Inf", sprintf("% e", inf), '[ruby-dev:34002]') end def test_invalid # Star precision before star width: assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.**d", 5, 10, 1)} # Precision before flags and width: assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5+05d", 5)} assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%.5 5d", 5)} # Overriding a star width with a numeric one: assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%*1s", 5, 1)} # Width before flags: assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5+0d", 1)} assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%5 0d", 1)} # Specifying width multiple times: assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50+30+20+10+5d", 5)} assert_raise(ArgumentError, "[ruby-core:11569]") {sprintf("%50 30 20 10 5d", 5)} # Specifying the precision multiple times with negative star arguments: assert_raise(ArgumentError, "[ruby-core:11570]") {sprintf("%.*.*.*.*f", -1, -1, -1, 5, 1)} # Null bytes after percent signs are removed: assert_equal("%\0x hello", sprintf("%\0x hello"), "[ruby-core:11571]") assert_raise(ArgumentError, "[ruby-core:11573]") {sprintf("%.25555555555555555555555555555555555555s", "hello")} assert_raise(ArgumentError) { sprintf("%\1", 1) } assert_raise(ArgumentError) { sprintf("%!", 1) } assert_raise(ArgumentError) { sprintf("%1$1$d", 1) } assert_raise(ArgumentError) { sprintf("%0%") } verbose, $VERBOSE = $VERBOSE, nil assert_nothing_raised { sprintf("", 1) } ensure $VERBOSE = verbose end def test_float assert_equal("36893488147419111424", sprintf("%20.0f", 36893488147419107329.0)) assert_equal(" Inf", sprintf("% 0e", 1.0/0.0), "moved from btest/knownbug") assert_equal(" -0.", sprintf("%#10.0f", -0.5), "[ruby-dev:42552]") assert_equal("0x1p+2", sprintf('%.0a', Float('0x1.fp+1')), "[ruby-dev:42551]") assert_equal("-0x1.0p+2", sprintf('%.1a', Float('-0x1.ffp+1')), "[ruby-dev:42551]") end def test_float_hex assert_equal("-0x0p+0", sprintf("%a", -0.0)) assert_equal("0x0p+0", sprintf("%a", 0.0)) assert_equal("0x1p-1", sprintf("%a", 0.5)) assert_equal("0x1p+0", sprintf("%a", 1.0)) assert_equal("0x1p+1", sprintf("%a", 2.0)) assert_equal("0x1p+10", sprintf("%a", 1024)) assert_equal("0x1.23456p+789", sprintf("%a", 3.704450999893983e+237)) assert_equal("0x1p-1074", sprintf("%a", 4.9e-324)) assert_equal("Inf", sprintf("%e", Float::INFINITY)) assert_equal("Inf", sprintf("%E", Float::INFINITY)) assert_equal("NaN", sprintf("%e", Float::NAN)) assert_equal("NaN", sprintf("%E", Float::NAN)) assert_equal(" -0x1p+0", sprintf("%10a", -1)) assert_equal(" -0x1.8p+0", sprintf("%10a", -1.5)) assert_equal(" -0x1.4p+0", sprintf("%10a", -1.25)) assert_equal(" -0x1.2p+0", sprintf("%10a", -1.125)) assert_equal(" -0x1.1p+0", sprintf("%10a", -1.0625)) assert_equal("-0x1.08p+0", sprintf("%10a", -1.03125)) bug3962 = '[ruby-core:32841]' assert_equal("-0x0001p+0", sprintf("%010a", -1), bug3962) assert_equal("-0x01.8p+0", sprintf("%010a", -1.5), bug3962) assert_equal("-0x01.4p+0", sprintf("%010a", -1.25), bug3962) assert_equal("-0x01.2p+0", sprintf("%010a", -1.125), bug3962) assert_equal("-0x01.1p+0", sprintf("%010a", -1.0625), bug3962) assert_equal("-0x1.08p+0", sprintf("%010a", -1.03125), bug3962) bug3964 = '[ruby-core:32848]' assert_equal("0x000000000000000p+0", sprintf("%020a", 0), bug3964) assert_equal("0x000000000000001p+0", sprintf("%020a", 1), bug3964) assert_equal("-0x00000000000001p+0", sprintf("%020a", -1), bug3964) assert_equal("0x00000000000000.p+0", sprintf("%#020a", 0), bug3964) bug3965 = '[ruby-dev:42431]' assert_equal("0x1.p+0", sprintf("%#.0a", 1), bug3965) assert_equal("0x00000000000000.p+0", sprintf("%#020a", 0), bug3965) assert_equal("0x0000.0000000000p+0", sprintf("%#020.10a", 0), bug3965) bug3979 = '[ruby-dev:42453]' assert_equal(" 0x0.000p+0", sprintf("%20.3a", 0), bug3979) assert_equal(" 0x1.000p+0", sprintf("%20.3a", 1), bug3979) end BSIZ = 120 def test_skip assert_equal(" " * BSIZ + "1", sprintf(" " * BSIZ + "%d", 1)) end def test_char assert_equal("a", sprintf("%c", 97)) assert_equal("a", sprintf("%c", ?a)) assert_raise(ArgumentError) { sprintf("%c", sprintf("%c%c", ?a, ?a)) } assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%c", ?a)) assert_equal(" " * (BSIZ - 1) + "a", sprintf(" " * (BSIZ - 1) + "%-1c", ?a)) assert_equal(" " * BSIZ + "a", sprintf("%#{ BSIZ + 1 }c", ?a)) assert_equal("a" + " " * BSIZ, sprintf("%-#{ BSIZ + 1 }c", ?a)) end def test_string assert_equal("foo", sprintf("%s", "foo")) assert_equal("fo", sprintf("%.2s", "foo")) assert_equal(" " * BSIZ, sprintf("%s", " " * BSIZ)) assert_equal(" " * (BSIZ - 1) + "foo", sprintf("%#{ BSIZ - 1 + 3 }s", "foo")) assert_equal(" " * BSIZ + "foo", sprintf("%#{ BSIZ + 3 }s", "foo")) assert_equal("foo" + " " * BSIZ, sprintf("%-#{ BSIZ + 3 }s", "foo")) end def test_integer assert_equal("01", sprintf("%#o", 1)) assert_equal("0x1", sprintf("%#x", 1)) assert_equal("0X1", sprintf("%#X", 1)) assert_equal("0b1", sprintf("%#b", 1)) assert_equal("0B1", sprintf("%#B", 1)) assert_equal("1", sprintf("%d", 1.0)) assert_equal("4294967296", sprintf("%d", (2**32).to_f)) assert_equal("-2147483648", sprintf("%d", -(2**31).to_f)) assert_equal("18446744073709551616", sprintf("%d", (2**64).to_f)) assert_equal("-9223372036854775808", sprintf("%d", -(2**63).to_f)) assert_equal("1", sprintf("%d", "1")) o = Object.new; def o.to_int; 1; end assert_equal("1", sprintf("%d", o)) assert_equal("+1", sprintf("%+d", 1)) assert_equal(" 1", sprintf("% d", 1)) assert_equal("..f", sprintf("%x", -1)) assert_equal("..7", sprintf("%o", -1)) one = (2**32).coerce(1).first mone = (2**32).coerce(-1).first assert_equal("+1", sprintf("%+d", one)) assert_equal(" 1", sprintf("% d", one)) assert_equal("..f", sprintf("%x", mone)) assert_equal("..7", sprintf("%o", mone)) assert_equal(" " * BSIZ + "1", sprintf("%#{ BSIZ + 1 }d", one)) assert_equal(" " * (BSIZ - 1) + "1", sprintf(" " * (BSIZ - 1) + "%d", 1)) end def test_float2 inf = 1.0 / 0.0 assert_equal(" " * BSIZ + "Inf", sprintf("%#{ BSIZ + 3 }.1f", inf)) assert_equal("+Inf", sprintf("%+-f", inf)) assert_equal(" " * BSIZ + "1.0", sprintf("%#{ BSIZ + 3 }.1f", 1.0)) end class T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789 end def test_star assert_equal("-1 ", sprintf("%*d", -3, -1)) end def test_escape assert_equal("%" * BSIZ, sprintf("%%" * BSIZ)) end def test_rb_sprintf assert_match(/^#$/, T012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789.new.inspect) end def test_negative_hex s1 = sprintf("%0x", -0x40000000) s2 = sprintf("%0x", -0x40000001) b1 = (/\.\./ =~ s1) != nil b2 = (/\.\./ =~ s2) != nil assert(b1 == b2, "[ruby-dev:33224]") end def test_named_untyped assert_equal("value", sprintf("%s", :key => "value")) e = assert_raise(ArgumentError) {sprintf("%1$s", :key => "value")} assert_equal("named after numbered", e.message) e = assert_raise(ArgumentError) {sprintf("%s%s%s", "foo", "bar", :key => "value")} assert_equal("named after unnumbered(2)", e.message) e = assert_raise(ArgumentError) {sprintf("%s", :key => "value")} assert_equal("named after ", e.message) end def test_named_typed assert_equal("value", sprintf("%{key}", :key => "value")) e = assert_raise(ArgumentError) {sprintf("%1${key2}", :key => "value")} assert_equal("named{key2} after numbered", e.message) e = assert_raise(ArgumentError) {sprintf("%s%s%{key2}", "foo", "bar", :key => "value")} assert_equal("named{key2} after unnumbered(2)", e.message) e = assert_raise(ArgumentError) {sprintf("%{key2}", :key => "value")} assert_equal("named{key2} after ", e.message) assert_equal("value{key2}", sprintf("%{key}{key2}", :key => "value")) end end