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require_relative '../../spec_helper'
require_relative 'fixtures/caller'
describe 'Kernel#caller' do
it 'is a private method' do
Kernel.should have_private_instance_method(:caller)
end
it 'returns an Array of caller locations' do
KernelSpecs::CallerTest.locations.empty?.should == false
end
it 'returns an Array of caller locations using a custom offset' do
locations = KernelSpecs::CallerTest.locations(2)
locations[0].should =~ %r{runner/mspec.rb}
end
it 'returns an Array of caller locations using a custom limit' do
locations = KernelSpecs::CallerTest.locations(1, 1)
locations.length.should == 1
end
it 'returns an Array of caller locations using a range' do
locations = KernelSpecs::CallerTest.locations(1..1)
locations.length.should == 1
end
it 'returns the locations as String instances' do
locations = KernelSpecs::CallerTest.locations
line = __LINE__ - 1
locations[0].should include("#{__FILE__}:#{line}:in")
end
it "returns an Array with the block given to #at_exit at the base of the stack" do
path = fixture(__FILE__, "caller_at_exit.rb")
lines = ruby_exe(path).lines
lines.should == [
"#{path}:6:in `foo'\n",
"#{path}:2:in `block in <main>'\n"
]
end
ruby_version_is "2.6" do
it "works with endless ranges" do
locations1 = KernelSpecs::CallerTest.locations(0)
locations2 = KernelSpecs::CallerTest.locations(eval("(2..)"))
locations2.map(&:to_s).should == locations1[2..-1].map(&:to_s)
end
end
end
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