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# coding: utf-8
# Copyright 2019 DragonRuby LLC
# MIT License
# assert.rb has been released under MIT (*only this file*).
module GTK
class Assert
attr :assertion_performed
def ok!
@assertion_performed = true
end
def true! value, message = nil
@assertion_performed = true
if !value
message = "#{value} was not truthy.\n#{message}"
raise "#{message}"
end
nil
end
def false! value, message = nil
@assertion_performed = true
if value
message = "#{value} was not falsey.\n#{message}"
raise message
end
nil
end
def equal! actual, expected, message = nil
@assertion_performed = true
if actual != expected
actual_string = "#{actual}#{actual.nil? ? " (nil) " : " " }".strip
message = "actual: #{actual_string} did not equal expected: #{expected}.\n#{message}"
raise message
end
nil
end
def nil! value, message = nil
@assertion_performed = true
if !value.nil?
message = "#{value} was supposed to be nil, but wasn't.\n#{message}"
raise message
end
nil
end
def raises! exception_class, message = nil
@assertion_performed = true
begin
yield
rescue exception_class
return # Success
rescue Exception => e
raise "Expected #{exception_class.name} to be raised but instead #{e.class.name} was raised\n#{message}"
else
raise "Expected #{exception_class.name} to be raised but nothing was raised\n#{message}"
end
end
end
end
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