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59 lines
1.0 KiB
Ruby
59 lines
1.0 KiB
Ruby
describe "Ruby numbers in various ways" do
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it "the standard way" do
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435.should == 435
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end
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it "with underscore separations" do
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4_35.should == 435
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end
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it "with some decimals" do
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4.35.should == 4.35
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end
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=begin
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it "with decimals but no integer part should be a SyntaxError" do
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lambda { eval(".75") }.should raise_error(SyntaxError)
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lambda { eval("-.75") }.should raise_error(SyntaxError)
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end
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=end
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# TODO : find a better description
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it "using the e expression" do
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1.2e-3.should == 0.0012
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end
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it "the hexdecimal notation" do
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0xffff.should == 65535
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end
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it "the binary notation" do
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0b01011.should == 11
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end
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it "octal representation" do
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0377.should == 255
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end
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=begin
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ruby_version_is '' ... '1.9' do
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it "character to numeric shortcut" do
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?z.should == 122
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end
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it "character with control character to numeric shortcut" do
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# Control-Z
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?\C-z.should == 26
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# Meta-Z
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?\M-z.should == 250
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# Meta-Control-Z
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?\M-\C-z.should == 154
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end
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end
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=end
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end
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