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ruby--ruby/test/ruby/test_trace.rb
Jeremy Evans ffd0820ab3 Deprecate taint/trust and related methods, and make the methods no-ops
This removes the related tests, and puts the related specs behind
version guards.  This affects all code in lib, including some
libraries that may want to support older versions of Ruby.
2019-11-18 01:00:25 +02:00

51 lines
960 B
Ruby

# frozen_string_literal: false
require 'test/unit'
class TestTrace < Test::Unit::TestCase
def test_trace
$x = 1234
$y = 0
trace_var :$x, proc{$y = $x}
$x = 40414
assert_equal($x, $y)
untrace_var :$x
$x = 19660208
assert_not_equal($x, $y)
trace_var :$x, proc{$x *= 2}
$x = 5
assert_equal(10, $x)
untrace_var :$x
end
def test_trace_proc_that_raises_exception
$x = 1234
trace_var :$x, proc { raise }
assert_raise(RuntimeError) { $x = 42 }
ensure
untrace_var :$x
end
def test_trace_string
$x = 1234
trace_var :$x, "$y = :bar"
$x = 42
assert_equal(:bar, $y)
ensure
untrace_var :$x
end
def test_trace_break
bug2722 = '[ruby-core:31783]'
a = Object.new.extend(Enumerable)
def a.each
yield
end
assert(Thread.start {
Thread.current.add_trace_func(proc{})
a.any? {true}
}.value, bug2722)
end
end