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1042a0bdd8
e.g.
```ruby
{ 1 => 2 }
```
The callback will be invoked for `1` as while it has a native JSON
equivalent, it's not legal as an object name.
70 lines
1.9 KiB
Ruby
Executable File
70 lines
1.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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require_relative 'test_helper'
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class JSONCoderTest < Test::Unit::TestCase
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def test_json_coder_with_proc
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coder = JSON::Coder.new do |object|
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"[Object object]"
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end
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assert_equal %(["[Object object]"]), coder.dump([Object.new])
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end
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def test_json_coder_with_proc_with_unsupported_value
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coder = JSON::Coder.new do |object, is_key|
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assert_equal false, is_key
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Object.new
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end
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assert_raise(JSON::GeneratorError) { coder.dump([Object.new]) }
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end
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def test_json_coder_hash_key
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obj = Object.new
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coder = JSON::Coder.new do |obj, is_key|
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assert_equal true, is_key
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obj.to_s
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end
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assert_equal %({#{obj.to_s.inspect}:1}), coder.dump({ obj => 1 })
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coder = JSON::Coder.new { 42 }
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error = assert_raise JSON::GeneratorError do
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coder.dump({ obj => 1 })
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end
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assert_equal "Integer not allowed as object key in JSON", error.message
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end
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def test_json_coder_options
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coder = JSON::Coder.new(array_nl: "\n") do |object|
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42
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end
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assert_equal "[\n42\n]", coder.dump([Object.new])
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end
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def test_json_coder_load
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coder = JSON::Coder.new
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assert_equal [1,2,3], coder.load("[1,2,3]")
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end
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def test_json_coder_load_options
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coder = JSON::Coder.new(symbolize_names: true)
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assert_equal({a: 1}, coder.load('{"a":1}'))
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end
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def test_json_coder_dump_NaN_or_Infinity
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coder = JSON::Coder.new { |o| o.inspect }
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assert_equal "NaN", coder.load(coder.dump(Float::NAN))
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assert_equal "Infinity", coder.load(coder.dump(Float::INFINITY))
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assert_equal "-Infinity", coder.load(coder.dump(-Float::INFINITY))
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end
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def test_json_coder_dump_NaN_or_Infinity_loop
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coder = JSON::Coder.new { |o| o.itself }
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error = assert_raise JSON::GeneratorError do
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coder.dump(Float::NAN)
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end
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assert_include error.message, "NaN not allowed in JSON"
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end
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end
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