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Ensure strings that may be confused as YAML1.2 numbers are quoted #628

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@adammw adammw commented May 10, 2023

Ensure strings that may be confused as YAML1.2 numbers are quoted.

Example: 0o123 or 1e3 strings in Ruby will be printed without quotation marks, resulting in them changing to numbers in a YAML1.2-parser (like that used in Go).

Fixes #627

Comment on lines +176 to +182
assert_match(/'0o17'/, Psych.dump({'a' => '0o17'}))
assert_match(/'0o111'/, Psych.dump({'a' => '0o111'}))

# YAML 1.2 float Number
assert_match(/'12e03'/, Psych.dump({'a' => '12e03'}))
assert_match(/'1.2e3'/, Psych.dump({'a' => '1.2e3'}))
assert_match(/".2e3"/, Psych.dump({'a' => '.2e3'}))
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@nobu nobu Jun 8, 2023

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. (any character) does not seem what you want here.

Suggested change
assert_match(/'0o17'/, Psych.dump({'a' => '0o17'}))
assert_match(/'0o111'/, Psych.dump({'a' => '0o111'}))
# YAML 1.2 float Number
assert_match(/'12e03'/, Psych.dump({'a' => '12e03'}))
assert_match(/'1.2e3'/, Psych.dump({'a' => '1.2e3'}))
assert_match(/".2e3"/, Psych.dump({'a' => '.2e3'}))
assert_include(Psych.dump({'a' => '0o17'}), "'0o17'")
assert_include(Psych.dump({'a' => '0o111'}), "'0o111'")
# YAML 1.2 float Number
assert_include(Psych.dump({'a' => '12e03'}), "'12e03'")
assert_include(Psych.dump({'a' => '1.2e3'}), "'1.2e3'")
assert_include(Psych.dump({'a' => '.2e3'}), '".2e3"')

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Also, the last ".2e3" seems from YAML 1.1, right?

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YAML string in exponential format cannot be loaded by YAML 1.2 parser
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