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# frozen_string_literal: true
require 'test/unit'
# Test for --jit option
class TestJIT < Test::Unit::TestCase
JIT_TIMEOUT = 600 # 10min for each...
JIT_SUCCESS_PREFIX = 'JIT success \(\d+\.\dms\)'
SUPPORTED_COMPILERS = [
'gcc',
'clang',
]
def test_jit
skip unless jit_supported?
assert_eval_with_jit('print proc { 1 + 1 }.call', stdout: '2', success_count: 1)
end
def test_jit_output
skip unless jit_supported?
out, err = eval_with_jit('5.times { puts "MJIT" }', verbose: 1, min_calls: 5)
assert_equal("MJIT\n" * 5, out)
assert_match(/^#{JIT_SUCCESS_PREFIX}: block in <main>@-e:1 -> .+_ruby_mjit_p\d+u\d+\.c$/, err)
assert_match(/^Successful MJIT finish$/, err)
end
private
# Shorthand for normal test cases
def assert_eval_with_jit(script, stdout: nil, success_count:)
out, err = eval_with_jit(script, verbose: 1, min_calls: 1)
if jit_supported?
actual = err.scan(/^#{JIT_SUCCESS_PREFIX}:/).size
assert_equal(
success_count, actual,
"Expected #{success_count} times of JIT success, but succeeded #{actual} times.\n\n"\
"script:\n#{code_block(script)}\nstderr:\n#{code_block(err)}",
)
end
if stdout
assert_match(stdout, out, "Expected stdout #{out.inspect} to match #{stdout.inspect} with script:\n#{code_block(script)}")
end
end
# Run Ruby script with --jit-wait (Synchronous JIT compilation).
# Returns [stdout, stderr]
def eval_with_jit(script, verbose: 0, min_calls: 5, timeout: JIT_TIMEOUT)
stdout, stderr, status = EnvUtil.invoke_ruby(
['--disable-gems', '--jit-wait', "--jit-verbose=#{verbose}", "--jit-min-calls=#{min_calls}", '-e', script],
'', true, true, timeout: timeout,
)
assert_equal(true, status.success?, "Failed to run script with JIT:\n#{code_block(script)}\nstdout:\n#{code_block(stdout)}\nstderr:\n#{code_block(stderr)}")
[stdout, stderr]
end
def code_block(code)
"```\n#{code}\n```\n\n"
end
def jit_supported?
return @jit_supported if defined?(@jit_supported)
begin
_, err = eval_with_jit('proc {}.call', verbose: 1, min_calls: 1, timeout: 10)
@jit_supported = err.match?(JIT_SUCCESS_PREFIX)
rescue Timeout::Error
$stderr.puts "TestJIT: #jit_supported? check timed out"
@jit_supported = false
end
end
end
|
