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# frozen_string_literal: true
RSpec.describe RGhost::Callback do
it "should create a callback block" do
b = RGhost::Callback.new "a_test_callback" do
end
expect(b.ps.strip).to eq(%(/a_test_callback 3 dict def a_test_callback begin \n/proc { } bind def \n/except [] def \n/only [] def \nend))
end
it "should use 'except' when available" do
b = RGhost::Callback.new "a_test_callback", except: [1, 2] do
end
expect(b.ps.strip).to eq(%(/a_test_callback 3 dict def a_test_callback begin \n/proc { } bind def \n/except [1 2] def \n/only [] def \nend))
end
it "should use 'only' when available" do
b = RGhost::Callback.new "a_test_callback", only: [1, 2] do
end
expect(b.ps.strip).to eq(%(/a_test_callback 3 dict def a_test_callback begin \n/proc { } bind def \n/except [] def \n/only [1 2] def \nend))
end
it "should define ps objects inside of proc block" do
b = RGhost::Callback.new "a_test_callback", only: [1, 2] do |cb|
cb.showpage
end
expect(b.ps.strip).to eq(%(/a_test_callback 3 dict def a_test_callback begin \n/proc { showpage } bind def \n/except [] def \n/only [1 2] def \nend))
b = RGhost::Callback.new "a_test_callback", only: [1, 2] do |cb|
cb.showpage
cb.moveto x: 10, y: 40
end
expect(b.ps.strip).to eq(%(/a_test_callback 3 dict def a_test_callback begin \n/proc { showpage 10 cm 40 cm moveto } bind def \n/except [] def \n/only [1 2] def \nend))
end
end
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