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# frozen_string_literal: true
require 'test/unit'
require_relative '../../tool/lib/jit_support'
return if RbConfig::CONFIG["MJIT_SUPPORT"] == 'no'
class TestRubyVMMJIT < Test::Unit::TestCase
include JITSupport
def setup
unless JITSupport.supported?
skip 'JIT seems not supported on this platform'
end
end
def test_pause
out, err = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, wait: false)
i = 0
while i < 5
eval("def mjit#{i}; end; mjit#{i}")
i += 1
end
print RubyVM::MJIT.pause
print RubyVM::MJIT.pause
while i < 10
eval("def mjit#{i}; end; mjit#{i}")
i += 1
end
print RubyVM::MJIT.pause # no JIT here
EOS
assert_equal('truefalsefalse', out)
assert_equal(
5, err.scan(/#{JITSupport::JIT_SUCCESS_PREFIX}/).size,
"unexpected stdout:\n```\n#{out}```\n\nstderr:\n```\n#{err}```",
)
end
def test_pause_does_not_hang_on_full_units
out, _ = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, max_cache: 10, wait: false)
i = 0
while i < 11
eval("def mjit#{i}; end; mjit#{i}")
i += 1
end
print RubyVM::MJIT.pause
EOS
assert_equal('true', out)
end
def test_pause_wait_false
out, err = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, wait: false)
i = 0
while i < 10
eval("def mjit#{i}; end; mjit#{i}")
i += 1
end
print RubyVM::MJIT.pause(wait: false)
print RubyVM::MJIT.pause(wait: false)
EOS
assert_equal('truefalse', out)
assert_equal(true, err.scan(/#{JITSupport::JIT_SUCCESS_PREFIX}/).size < 10)
end
def test_resume
out, err = eval_with_jit(<<~'EOS', verbose: 1, min_calls: 1, wait: false)
print RubyVM::MJIT.resume
print RubyVM::MJIT.pause
print RubyVM::MJIT.resume
print RubyVM::MJIT.resume
print RubyVM::MJIT.pause
EOS
assert_equal('falsetruetruefalsetrue', out)
assert_equal(0, err.scan(/#{JITSupport::JIT_SUCCESS_PREFIX}/).size)
end
end
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