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require "spec"
require "json"
private def it_parses(string, expected_value, file = __FILE__, line = __LINE__)
it "parses #{string}", file, line do
JSON.parse(string).raw.should eq(expected_value)
end
end
private def it_raises_on_parse(string, file = __FILE__, line = __LINE__)
it "raises on parse #{string}", file, line do
expect_raises JSON::ParseException do
JSON.parse(string)
end
end
end
describe JSON::Parser do
it_parses "1", 1
it_parses "2.5", 2.5
it_parses %("hello"), "hello"
it_parses "true", true
it_parses "false", false
it_parses "null", nil
it_parses %("\\nПривет, мир!"), "\nПривет, мир!"
it_parses "[]", [] of Int32
it_parses "[1]", [1]
it_parses "[1, 2, 3]", [1, 2, 3]
it_parses "[1.5]", [1.5]
it_parses "[null]", [nil]
it_parses "[true]", [true]
it_parses "[false]", [false]
it_parses %(["hello"]), ["hello"]
it_parses "[0]", [0]
it_parses " [ 0 ] ", [0]
it_parses "{}", {} of String => JSON::Any
it_parses %({"foo": 1}), {"foo" => 1}
it_parses %({"foo": 1, "bar": 1.5}), {"foo" => 1, "bar" => 1.5}
it_parses %({"fo\\no": 1}), {"fo\no" => 1}
it_parses "[[1]]", [[1]]
it_parses %([{"foo": 1}]), [{"foo" => 1}]
it_parses "[\"日\"]", ["日"]
it_raises_on_parse "[1,]"
it_raises_on_parse %({"foo": 1,})
it_raises_on_parse "{1}"
it_raises_on_parse %({"foo"1})
it_raises_on_parse %("{"foo":})
it_raises_on_parse "[0]1"
it_raises_on_parse "[0] 1 "
it_raises_on_parse "[\"\\u123z\"]"
it_raises_on_parse "[1 true]"
it_raises_on_parse %({"foo": 1 "bar": 2})
it_raises_on_parse %([2.])
it_raises_on_parse %("hello\nworld")
it_raises_on_parse %("\\u201cello\nworld")
it_raises_on_parse %("hello\tworld")
it_raises_on_parse %("\\u201cello\tworld")
it_raises_on_parse "1\u{0}"
it "prevents stack overflow for arrays" do
expect_raises JSON::ParseException, "Nesting of 513 is too deep" do
JSON.parse(("[" * 513) + ("]" * 513))
end
end
it "prevents stack overflow for hashes" do
expect_raises JSON::ParseException, "Nesting of 513 is too deep" do
JSON.parse((%({"x": ) * 513) + ("}" * 513))
end
end
it "returns raw" do
value = JSON.parse("1").raw
value.should eq(1)
value.should be_a(Int64)
end
end
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