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