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20 lines
581 B
Ruby
20 lines
581 B
Ruby
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# test/string_extensions_test.rb
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require "test_helper"
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class StringExtensionsTest < ActiveSupport::TestCase
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test "#unit returns the currency unit for a given currency code" do
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assert_equal "$", "USD".unit
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assert_equal "€", "EUR".unit
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end
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test "#separator returns the currency separator for a given currency code" do
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assert_equal ".", "USD".separator
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assert_equal ",", "EUR".separator
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end
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test "#precision returns the currency's precision for a given currency code" do
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assert_equal 2, "USD".precision
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assert_equal 0, "KRW".precision
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end
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end
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