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lib = File.dirname(File.dirname(__FILE__)) + '/lib'
$LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
require 'test/unit'
require 'symboltable'
class SymbolTableTest < Test::Unit::TestCase
class A < SymbolTable
end
class B < SymbolTable
end
def test_empty
t = SymbolTable.new
assert_equal(nil, t[:a])
assert_equal(nil, t['a'])
end
def test_bracket
t = SymbolTable.new
t[:a] = 1
assert_equal(1, t[:a])
assert_equal(1, t['a'])
t['b'] = 1
assert_equal(1, t[:b])
assert_equal(1, t['b'])
end
def test_store
t = SymbolTable.new
t.store(:a, 1)
assert_equal(1, t[:a])
assert_equal(1, t['a'])
t.store('b', 1)
assert_equal(1, t[:b])
assert_equal(1, t['b'])
end
def test_store_symboltable
a = A.new
b = B.new
a.a = b
assert_equal(B, a.a.class)
end
def test_update
t = SymbolTable.new
t.update(:a => 1)
assert_equal(1, t[:a])
assert_equal(1, t['a'])
t.update('b' => 1)
assert_equal(1, t[:b])
assert_equal(1, t['b'])
end
def test_merge!
t = SymbolTable.new
t.merge!(:a => 1)
assert_equal(1, t[:a])
assert_equal(1, t['a'])
t.merge!('b' => 1)
assert_equal(1, t[:b])
assert_equal(1, t['b'])
end
def test_method_missing
t = SymbolTable.new
t.a = 1
assert_equal(1, t[:a])
assert_equal(1, t['a'])
assert_equal(1, t.a)
end
def test_nested_tables
t = SymbolTable.new
t[:a] = {:a => 1}
assert_equal(1, t.a[:a])
assert_equal(1, t.a['a'])
t[:a] = {'a' => 1}
assert_equal(1, t.a[:a])
assert_equal(1, t.a['a'])
end
def test_key?
t = SymbolTable.new
t[:a] = 1
assert(t.key?(:a))
assert(t.key?('a'))
end
def test_new
t = SymbolTable[:a, 1]
assert_equal(1, t[:a])
assert_equal(1, t['a'])
end
def test_merge
t = SymbolTable.new
t[:a] = 1
b = t.merge(:a => 2)
assert_equal([:a], t.keys)
assert_equal([1], t.values)
assert_equal([:a], b.keys)
assert_equal([2], b.values)
end
def test_to_hash
t = SymbolTable[:a, 1]
assert_equal(t.to_hash.class, Hash)
assert_equal(t.to_hash[:a], 1)
end
end
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