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# frozen_string_literal: true
require_relative "test_helper"
module Prism
class StaticLiteralsTest < TestCase
def test_static_literals
assert_warning("1")
assert_warning("0xA", "10", "10")
assert_warning("0o10", "8", "8")
assert_warning("0b10", "2", "2")
assert_warning("1_000", "1000", "1000")
assert_warning((2**32).to_s(10), "0x#{(2**32).to_s(16)}", (2**32).to_s(10))
assert_warning((2**64).to_s(10), "0x#{(2**64).to_s(16)}", (2**64).to_s(10))
refute_warning("1", "-1")
refute_warning((2**32).to_s(10), "-0x#{(2**32).to_s(16)}")
refute_warning((2**64).to_s(10), "-0x#{(2**64).to_s(16)}")
assert_warning("__LINE__", "2", "2")
assert_warning("3", "__LINE__", "3")
assert_warning("1.0")
assert_warning("1e2", "100.0", "100.0")
assert_warning("1r", "1r", "(1/1)")
assert_warning("1.0r", "1.0r", "(1/1)")
assert_warning("1i", "1i", "(0+1i)")
assert_warning("1.0i", "1.0i", "(0+1.0i)")
assert_warning("1ri", "1ri", "(0+(1/1)*i)")
assert_warning("1.0ri", "1.0ri", "(0+(1/1)*i)")
assert_warning("__FILE__", "\"#{__FILE__}\"", __FILE__)
assert_warning("\"#{__FILE__}\"")
assert_warning("\"foo\"")
assert_warning("/foo/")
refute_warning("/foo/", "/foo/i")
assert_warning(":foo")
assert_warning("%s[foo]", ":foo", ":foo")
assert_warning("true")
assert_warning("false")
assert_warning("nil")
assert_warning("__ENCODING__", "__ENCODING__", "#<Encoding:UTF-8>")
end
private
class NullWarning
def message
""
end
end
def parse_warnings(left, right)
warnings = []
warnings << (Prism.parse(<<~RUBY, filepath: __FILE__).warnings.first || NullWarning.new)
{
#{left} => 1,
#{right} => 2
}
RUBY
warnings << (Prism.parse(<<~RUBY, filepath: __FILE__).warnings.first || NullWarning.new)
case foo
when #{left}
when #{right}
end
RUBY
warnings
end
def assert_warning(left, right = left, message = left)
hash_keys, when_clauses = parse_warnings(left, right)
assert_include hash_keys.message, message
assert_include hash_keys.message, "line 3"
assert_include when_clauses.message, "line 3"
end
def refute_warning(left, right)
assert_empty parse_warnings(left, right).grep_v(NullWarning)
end
end
end
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