From b49307c701911a713cbdb48367833d3661a4880a Mon Sep 17 00:00:00 2001 From: Benoit Daloze Date: Fri, 28 Aug 2020 20:26:02 +0200 Subject: Update to ruby/spec@335eb9b --- spec/ruby/core/float/to_s_spec.rb | 308 +------------------------------------- 1 file changed, 2 insertions(+), 306 deletions(-) (limited to 'spec/ruby/core/float/to_s_spec.rb') diff --git a/spec/ruby/core/float/to_s_spec.rb b/spec/ruby/core/float/to_s_spec.rb index ad04bc4fb6..6727a883f8 100644 --- a/spec/ruby/core/float/to_s_spec.rb +++ b/spec/ruby/core/float/to_s_spec.rb @@ -1,310 +1,6 @@ require_relative '../../spec_helper' +require_relative 'shared/to_s' describe "Float#to_s" do - it "returns 'NaN' for NaN" do - nan_value().to_s.should == 'NaN' - end - - it "returns 'Infinity' for positive infinity" do - infinity_value().to_s.should == 'Infinity' - end - - it "returns '-Infinity' for negative infinity" do - (-infinity_value()).to_s.should == '-Infinity' - end - - it "returns '0.0' for 0.0" do - 0.0.to_s.should == "0.0" - end - - platform_is_not :openbsd do - it "emits '-' for -0.0" do - -0.0.to_s.should == "-0.0" - end - end - - it "emits a '-' for negative values" do - -3.14.to_s.should == "-3.14" - end - - it "emits a trailing '.0' for a whole number" do - 50.0.to_s.should == "50.0" - end - - it "emits a trailing '.0' for the mantissa in e format" do - 1.0e20.to_s.should == "1.0e+20" - end - - it "uses non-e format for a positive value with fractional part having 5 significant figures" do - 0.0001.to_s.should == "0.0001" - end - - it "uses non-e format for a negative value with fractional part having 5 significant figures" do - -0.0001.to_s.should == "-0.0001" - end - - it "uses e format for a positive value with fractional part having 6 significant figures" do - 0.00001.to_s.should == "1.0e-05" - end - - it "uses e format for a negative value with fractional part having 6 significant figures" do - -0.00001.to_s.should == "-1.0e-05" - end - - it "uses non-e format for a positive value with whole part having 15 significant figures" do - 10000000000000.0.to_s.should == "10000000000000.0" - end - - it "uses non-e format for a negative value with whole part having 15 significant figures" do - -10000000000000.0.to_s.should == "-10000000000000.0" - end - - it "uses non-e format for a positive value with whole part having 16 significant figures" do - 100000000000000.0.to_s.should == "100000000000000.0" - end - - it "uses non-e format for a negative value with whole part having 16 significant figures" do - -100000000000000.0.to_s.should == "-100000000000000.0" - end - - it "uses e format for a positive value with whole part having 18 significant figures" do - 10000000000000000.0.to_s.should == "1.0e+16" - end - - it "uses e format for a negative value with whole part having 18 significant figures" do - -10000000000000000.0.to_s.should == "-1.0e+16" - end - - it "uses e format for a positive value with whole part having 17 significant figures" do - 1000000000000000.0.to_s.should == "1.0e+15" - end - - it "uses e format for a negative value with whole part having 17 significant figures" do - -1000000000000000.0.to_s.should == "-1.0e+15" - end - - # #3273 - it "outputs the minimal, unique form necessary to recreate the value" do - value = 0.21611564636388508 - string = "0.21611564636388508" - - value.to_s.should == string - string.to_f.should == value - end - - it "outputs the minimal, unique form to represent the value" do - 0.56.to_s.should == "0.56" - end - - describe "matches" do - it "random examples in all ranges" do - # 50.times do - # bytes = (0...8).map { rand(256) } - # string = bytes.pack('C8') - # float = string.unpack('D').first - # puts "#{'%.20g' % float}.to_s.should == #{float.to_s.inspect}" - # end - - 2.5540217314354050325e+163.to_s.should == "2.554021731435405e+163" - 2.5492588360356597544e-172.to_s.should == "2.5492588360356598e-172" - 1.742770260934704852e-82.to_s.should == "1.7427702609347049e-82" - 6.2108093676180883209e-104.to_s.should == "6.210809367618088e-104" - -3.3448803488331067402e-143.to_s.should == "-3.3448803488331067e-143" - -2.2740074343500832557e-168.to_s.should == "-2.2740074343500833e-168" - 7.0587971678048535732e+191.to_s.should == "7.058797167804854e+191" - -284438.88327586348169.to_s.should == "-284438.8832758635" - 3.953272468476091301e+105.to_s.should == "3.9532724684760913e+105" - -3.6361359552959847853e+100.to_s.should == "-3.636135955295985e+100" - -1.3222325865575206185e-31.to_s.should == "-1.3222325865575206e-31" - 1.1440138916932761366e+130.to_s.should == "1.1440138916932761e+130" - 4.8750891560387561157e-286.to_s.should == "4.875089156038756e-286" - 5.6101113356591453525e-257.to_s.should == "5.610111335659145e-257" - -3.829644279545809575e-100.to_s.should == "-3.8296442795458096e-100" - 1.5342839401396406117e-194.to_s.should == "1.5342839401396406e-194" - 2.2284972755169921402e-144.to_s.should == "2.228497275516992e-144" - 2.1825655917065601737e-61.to_s.should == "2.1825655917065602e-61" - -2.6672271363524338322e-62.to_s.should == "-2.667227136352434e-62" - -1.9257995160119059415e+21.to_s.should == "-1.925799516011906e+21" - -8.9096732962887121718e-198.to_s.should == "-8.909673296288712e-198" - 2.0202075376548644959e-90.to_s.should == "2.0202075376548645e-90" - -7.7341602581786258961e-266.to_s.should == "-7.734160258178626e-266" - 3.5134482598733635046e+98.to_s.should == "3.5134482598733635e+98" - -2.124411722371029134e+154.to_s.should == "-2.124411722371029e+154" - -4.573908787355718687e+110.to_s.should == "-4.573908787355719e+110" - -1.9344425934170969879e-232.to_s.should == "-1.934442593417097e-232" - -1.3274227399979271095e+171.to_s.should == "-1.3274227399979271e+171" - 9.3495270482104442383e-283.to_s.should == "9.349527048210444e-283" - -4.2046059371986483233e+307.to_s.should == "-4.2046059371986483e+307" - 3.6133547278583543004e-117.to_s.should == "3.613354727858354e-117" - 4.9247416523566613499e-08.to_s.should == "4.9247416523566613e-08" - 1.6936145488250064007e-71.to_s.should == "1.6936145488250064e-71" - 2.4455483206829433098e+96.to_s.should == "2.4455483206829433e+96" - 7.9797449851436455384e+124.to_s.should == "7.979744985143646e+124" - -1.3873689634457876774e-129.to_s.should == "-1.3873689634457877e-129" - 3.9761102037533483075e+284.to_s.should == "3.976110203753348e+284" - -4.2819791952139402486e-303.to_s.should == "-4.28197919521394e-303" - -5.7981017546689831298e-116.to_s.should == "-5.798101754668983e-116" - -3.953266497860534199e-28.to_s.should == "-3.953266497860534e-28" - -2.0659852720290440959e-243.to_s.should == "-2.065985272029044e-243" - 8.9670488995878688018e-05.to_s.should == "8.967048899587869e-05" - -1.2317943708113061768e-98.to_s.should == "-1.2317943708113062e-98" - -3.8930768307633080463e+248.to_s.should == "-3.893076830763308e+248" - 6.5854032671803925627e-239.to_s.should == "6.5854032671803926e-239" - 4.6257022188980878952e+177.to_s.should == "4.625702218898088e+177" - -1.9397155125507235603e-187.to_s.should == "-1.9397155125507236e-187" - 8.5752156951245705056e+117.to_s.should == "8.57521569512457e+117" - -2.4784875958162501671e-132.to_s.should == "-2.4784875958162502e-132" - -4.4125691841230058457e-203.to_s.should == "-4.412569184123006e-203" - end - - it "random examples in human ranges" do - # 50.times do - # formatted = '' - # rand(1..3).times do - # formatted << rand(10).to_s - # end - # formatted << '.' - # rand(1..9).times do - # formatted << rand(10).to_s - # end - # float = formatted.to_f - # puts "#{'%.20f' % float}.to_s.should == #{float.to_s.inspect}" - # end - - 5.17869899999999994122.to_s.should == "5.178699" - 905.62695729999995819526.to_s.should == "905.6269573" - 62.75999999999999801048.to_s.should == "62.76" - 6.93856795800000014651.to_s.should == "6.938567958" - 4.95999999999999996447.to_s.should == "4.96" - 32.77993899999999882766.to_s.should == "32.779939" - 544.12756779999995160324.to_s.should == "544.1275678" - 66.25801119999999855281.to_s.should == "66.2580112" - 7.90000000000000035527.to_s.should == "7.9" - 5.93100000000000004974.to_s.should == "5.931" - 5.21229313600000043749.to_s.should == "5.212293136" - 503.44173809000000119340.to_s.should == "503.44173809" - 79.26000000000000511591.to_s.should == "79.26" - 8.51524999999999998579.to_s.should == "8.51525" - 174.00000000000000000000.to_s.should == "174.0" - 50.39580000000000126192.to_s.should == "50.3958" - 35.28999999999999914735.to_s.should == "35.29" - 5.43136675399999990788.to_s.should == "5.431366754" - 654.07680000000004838512.to_s.should == "654.0768" - 6.07423700000000010846.to_s.should == "6.074237" - 102.25779799999999397642.to_s.should == "102.257798" - 5.08129999999999970584.to_s.should == "5.0813" - 6.00000000000000000000.to_s.should == "6.0" - 8.30000000000000071054.to_s.should == "8.3" - 32.68345999999999662577.to_s.should == "32.68346" - 581.11170000000004165486.to_s.should == "581.1117" - 76.31342999999999676675.to_s.should == "76.31343" - 438.30826000000001840817.to_s.should == "438.30826" - 482.06631994000002805478.to_s.should == "482.06631994" - 55.92721026899999969828.to_s.should == "55.927210269" - 4.00000000000000000000.to_s.should == "4.0" - 55.86693999999999959982.to_s.should == "55.86694" - 787.98299999999994724931.to_s.should == "787.983" - 5.73810511000000023074.to_s.should == "5.73810511" - 74.51926810000000500622.to_s.should == "74.5192681" - 892.89999999999997726263.to_s.should == "892.9" - 68.27299999999999613465.to_s.should == "68.273" - 904.10000000000002273737.to_s.should == "904.1" - 5.23200000000000020606.to_s.should == "5.232" - 4.09628000000000014325.to_s.should == "4.09628" - 46.05152633699999853434.to_s.should == "46.051526337" - 142.12884990599999923688.to_s.should == "142.128849906" - 3.83057023500000015659.to_s.should == "3.830570235" - 11.81684594699999912848.to_s.should == "11.816845947" - 80.50000000000000000000.to_s.should == "80.5" - 382.18215010000000120272.to_s.should == "382.1821501" - 55.38444606899999911320.to_s.should == "55.384446069" - 5.78000000000000024869.to_s.should == "5.78" - 2.88244999999999995666.to_s.should == "2.88245" - 43.27709999999999723741.to_s.should == "43.2771" - end - - it "random values from divisions" do - (1.0 / 7).to_s.should == "0.14285714285714285" - - # 50.times do - # a = rand(10) - # b = rand(10) - # c = rand(10) - # d = rand(10) - # expression = "#{a}.#{b} / #{c}.#{d}" - # puts " (#{expression}).to_s.should == #{eval(expression).to_s.inspect}" - # end - - (1.1 / 7.1).to_s.should == "0.15492957746478875" - (6.5 / 8.8).to_s.should == "0.7386363636363635" - (4.8 / 4.3).to_s.should == "1.1162790697674418" - (4.0 / 1.9).to_s.should == "2.1052631578947367" - (9.1 / 0.8).to_s.should == "11.374999999999998" - (5.3 / 7.5).to_s.should == "0.7066666666666667" - (2.8 / 1.8).to_s.should == "1.5555555555555554" - (2.1 / 2.5).to_s.should == "0.8400000000000001" - (3.5 / 6.0).to_s.should == "0.5833333333333334" - (4.6 / 0.3).to_s.should == "15.333333333333332" - (0.6 / 2.4).to_s.should == "0.25" - (1.3 / 9.1).to_s.should == "0.14285714285714288" - (0.3 / 5.0).to_s.should == "0.06" - (5.0 / 4.2).to_s.should == "1.1904761904761905" - (3.0 / 2.0).to_s.should == "1.5" - (6.3 / 2.0).to_s.should == "3.15" - (5.4 / 6.0).to_s.should == "0.9" - (9.6 / 8.1).to_s.should == "1.1851851851851851" - (8.7 / 1.6).to_s.should == "5.437499999999999" - (1.9 / 7.8).to_s.should == "0.24358974358974358" - (0.5 / 2.1).to_s.should == "0.23809523809523808" - (9.3 / 5.8).to_s.should == "1.6034482758620692" - (2.7 / 8.0).to_s.should == "0.3375" - (9.7 / 7.8).to_s.should == "1.2435897435897436" - (8.1 / 2.4).to_s.should == "3.375" - (7.7 / 2.7).to_s.should == "2.8518518518518516" - (7.9 / 1.7).to_s.should == "4.647058823529412" - (6.5 / 8.2).to_s.should == "0.7926829268292683" - (7.8 / 9.6).to_s.should == "0.8125" - (2.2 / 4.6).to_s.should == "0.47826086956521746" - (0.0 / 1.0).to_s.should == "0.0" - (8.3 / 2.9).to_s.should == "2.8620689655172415" - (3.1 / 6.1).to_s.should == "0.5081967213114754" - (2.8 / 7.8).to_s.should == "0.358974358974359" - (8.0 / 0.1).to_s.should == "80.0" - (1.7 / 6.4).to_s.should == "0.265625" - (1.8 / 5.4).to_s.should == "0.3333333333333333" - (8.0 / 5.8).to_s.should == "1.3793103448275863" - (5.2 / 4.1).to_s.should == "1.2682926829268295" - (9.8 / 5.8).to_s.should == "1.6896551724137934" - (5.4 / 9.5).to_s.should == "0.5684210526315789" - (8.4 / 4.9).to_s.should == "1.7142857142857142" - (1.7 / 3.5).to_s.should == "0.4857142857142857" - (1.2 / 5.1).to_s.should == "0.23529411764705882" - (1.4 / 2.0).to_s.should == "0.7" - (4.8 / 8.0).to_s.should == "0.6" - (9.0 / 2.5).to_s.should == "3.6" - (0.2 / 0.6).to_s.should == "0.33333333333333337" - (7.8 / 5.2).to_s.should == "1.5" - (9.5 / 5.5).to_s.should == "1.7272727272727273" - end - end -end - -describe "Float#to_s" do - before :each do - @internal = Encoding.default_internal - end - - after :each do - Encoding.default_internal = @internal - end - - it "returns a String in US-ASCII encoding when Encoding.default_internal is nil" do - Encoding.default_internal = nil - 1.23.to_s.encoding.should equal(Encoding::US_ASCII) - end - - it "returns a String in US-ASCII encoding when Encoding.default_internal is not nil" do - Encoding.default_internal = Encoding::IBM437 - 5.47.to_s.encoding.should equal(Encoding::US_ASCII) - end + it_behaves_like :float_to_s, :to_s end -- cgit v1.2.3