shard-ameba/spec/ameba/ast/branchable_spec.cr

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require "../../spec_helper"
module Ameba::AST
describe Branchable do
describe "#initialize" do
it "creates a new branchable" do
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branchable = Branchable.new as_node "a = 2 if true"
branchable.node.should_not be_nil
end
end
describe "delegation" do
it "delegates to_s to @node" do
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node = as_node "a = 2 if true"
branchable = Branchable.new node
branchable.to_s.should eq node.to_s
end
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it "delegates locations to @node" do
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node = as_node "a = 2 if true"
branchable = Branchable.new node
branchable.location.should eq node.location
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branchable.end_location.should eq node.end_location
end
end
describe "#loop?" do
it "returns true if it is a while loop" do
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branchable = Branchable.new as_node "while true; a = 2; end"
branchable.loop?.should be_true
end
it "returns true if it is the until loop" do
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branchable = Branchable.new as_node "until false; a = 2; end"
branchable.loop?.should be_true
end
it "returns true if it is loop" do
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branchable = Branchable.new as_node "loop {}"
branchable.loop?.should be_true
end
it "returns false otherwise" do
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branchable = Branchable.new as_node "a = 2 if true"
branchable.loop?.should be_false
end
end
end
end