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describe :integer_floor_precision, shared: true do
context "precision is zero" do
it "returns integer self" do
send(@method, 0).floor(0).should.eql?(0)
send(@method, 123).floor(0).should.eql?(123)
send(@method, -123).floor(0).should.eql?(-123)
end
end
context "precision is positive" do
it "returns self" do
send(@method, 0).floor(1).should.eql?(send(@method, 0))
send(@method, 0).floor(10).should.eql?(send(@method, 0))
send(@method, 123).floor(10).should.eql?(send(@method, 123))
send(@method, -123).floor(10).should.eql?(send(@method, -123))
end
end
context "precision is negative" do
it "always returns 0 when self is 0" do
send(@method, 0).floor(-1).should.eql?(0)
send(@method, 0).floor(-10).should.eql?(0)
end
it "returns largest integer less than self with at least precision.abs trailing zeros" do
send(@method, 123).floor(-1).should.eql?(120)
send(@method, 123).floor(-2).should.eql?(100)
send(@method, 123).floor(-3).should.eql?(0)
send(@method, -123).floor(-1).should.eql?(-130)
send(@method, -123).floor(-2).should.eql?(-200)
send(@method, -123).floor(-3).should.eql?(-1000)
end
# Bug #20654
it "returns -(10**precision.abs) when self is negative and precision.abs is larger than the number digits of self" do
send(@method, -123).floor(-20).should.eql?(-100000000000000000000)
send(@method, -123).floor(-50).should.eql?(-100000000000000000000000000000000000000000000000000)
end
end
end
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