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Contents
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/../../spec_helper'
require File.dirname(File.join(__rhoGetCurrentDir(), __FILE__)) + '/fixtures/classes'
describe "Numeric#coerce" do
before(:each) do
@obj = NumericSub.new
@obj.should_receive(:to_f).any_number_of_times.and_return(10.5)
end
it "returns [other, self] if self and other are instances of the same class" do
a = NumericSub.new
b = NumericSub.new
a.coerce(b).should == [b, a]
end
it "calls #to_f to convert other if self responds to #to_f" do
other = NumericSub.new
lambda { @obj.coerce(other) }.should raise_error(TypeError)
end
it "returns [other.to_f, self.to_f] if self and other are instances of different classes" do
result = @obj.coerce(2.5)
result.should == [2.5, 10.5]
result.first.should be_kind_of(Float)
result.last.should be_kind_of(Float)
result = @obj.coerce(3)
result.should == [3.0, 10.5]
result.first.should be_kind_of(Float)
result.last.should be_kind_of(Float)
result = @obj.coerce("4.4")
result.should == [4.4, 10.5]
result.first.should be_kind_of(Float)
result.last.should be_kind_of(Float)
result = @obj.coerce(bignum_value)
result.should == [bignum_value.to_f, 10.5]
result.first.should be_kind_of(Float)
result.last.should be_kind_of(Float)
end
it "raises a TypeError when passed nil" do
lambda { @obj.coerce(nil) }.should raise_error(TypeError)
end
it "raises a TypeError when passed a boolean" do
lambda { @obj.coerce(false) }.should raise_error(TypeError)
end
it "raises a TypeError when passed a Symbol" do
lambda { @obj.coerce(:symbol) }.should raise_error(TypeError)
end
it "raises an ArgumentError when passed a String" do
lambda { @obj.coerce("test") }.should raise_error(ArgumentError)
end
end
Version data entries
83 entries across 83 versions & 1 rubygems