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# frozen_string_literal: true
require_relative "helper"
module MMTk
class TestConfiguration < TestCase
def test_MMTK_THREADS
assert_separately([{ "MMTK_THREADS" => "5" }], <<~RUBY)
assert_equal(5, GC.config[:mmtk_worker_count])
RUBY
assert_separately([{ "MMTK_THREADS" => "1" }], <<~RUBY)
assert_equal(1, GC.config[:mmtk_worker_count])
RUBY
end
%w(NoGC MarkSweep Immix).each do |plan|
define_method(:"test_MMTK_PLAN_#{plan}") do
assert_separately([{ "MMTK_PLAN" => plan }], <<~RUBY)
assert_equal("#{plan}", GC.config[:mmtk_plan])
RUBY
end
end
%w(fixed dynamic).each do |heap|
define_method(:"test_MMTK_HEAP_MODE_#{heap}") do
assert_separately([{ "MMTK_HEAP_MODE" => heap }], <<~RUBY)
assert_equal("#{heap}", GC.config[:mmtk_heap_mode])
RUBY
end
end
def test_MMTK_HEAP_MIN
# Defaults to 1MiB
assert_separately([], <<~RUBY)
assert_equal(1 * 1024 * 1024, GC.config[:mmtk_heap_min])
RUBY
assert_separately([{ "MMTK_HEAP_MODE" => "dynamic", "MMTK_HEAP_MIN" => "1" }], <<~RUBY)
assert_equal(1, GC.config[:mmtk_heap_min])
RUBY
assert_separately([{ "MMTK_HEAP_MODE" => "dynamic", "MMTK_HEAP_MIN" => "10MiB", "MMTK_HEAP_MAX" => "1GiB" }], <<~RUBY)
assert_equal(10 * 1024 * 1024, GC.config[:mmtk_heap_min])
RUBY
end
def test_MMTK_HEAP_MIN_is_ignored_for_fixed_heaps
assert_separately([{ "MMTK_HEAP_MODE" => "fixed", "MMTK_HEAP_MIN" => "1" }], <<~RUBY)
assert_nil(GC.config[:mmtk_heap_min])
RUBY
end
def test_MMTK_HEAP_MAX
assert_separately([{ "MMTK_HEAP_MODE" => "fixed", "MMTK_HEAP_MAX" => "100MiB" }], <<~RUBY)
assert_equal(100 * 1024 * 1024, GC.config[:mmtk_heap_max])
RUBY
end
%w(MMTK_THREADS MMTK_HEAP_MIN MMTK_HEAP_MAX MMTK_HEAP_MODE MMTK_PLAN).each do |var|
define_method(:"test_invalid_#{var}") do
exit_code = assert_in_out_err(
[{ var => "foobar" }, "--"],
"",
[],
["[FATAL] Invalid #{var} foobar"]
)
assert_equal(1, exit_code.exitstatus)
end
end
def test_MMTK_HEAP_MIN_greater_than_or_equal_to_MMTK_HEAP_MAX
exit_code = assert_in_out_err(
[{ "MMTK_HEAP_MIN" => "100MiB", "MMTK_HEAP_MAX" => "10MiB" }, "--"],
"",
[],
["[FATAL] MMTK_HEAP_MIN(104857600) >= MMTK_HEAP_MAX(10485760)"]
)
assert_equal(1, exit_code.exitstatus)
exit_code = assert_in_out_err(
[{ "MMTK_HEAP_MIN" => "10MiB", "MMTK_HEAP_MAX" => "10MiB" }, "--"],
"",
[],
["[FATAL] MMTK_HEAP_MIN(10485760) >= MMTK_HEAP_MAX(10485760)"]
)
assert_equal(1, exit_code.exitstatus)
end
end
end
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