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require 'testing_env'
require 'extend/ARGV' # needs to be after test/unit to avoid conflict with OptionsParser
ARGV.extend(HomebrewArgvExtension)
require 'extend/ENV'
ENV.extend(HomebrewEnvExtension)
require 'test/testball'
module CompilerTestsEnvExtension
def unset_use_cc
vars = %w{HOMEBREW_USE_CLANG HOMEBREW_USE_LLVM HOMEBREW_USE_GCC}
vars.each { |v| ENV.delete(v) }
end
end
ENV.extend(CompilerTestsEnvExtension)
class CompilerTests < Test::Unit::TestCase
def test_llvm_failure
ENV.unset_use_cc
f = TestLLVMFailure.new
cs = CompilerSelector.new(f)
assert !(f.fails_with? :clang)
assert f.fails_with? :llvm
assert !(f.fails_with? :gcc)
cs.select_compiler
assert_equal case MacOS.clang_build_version
when 0..210 then :gcc
else :clang
end, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_all_compiler_failures
ENV.unset_use_cc
f = TestAllCompilerFailures.new
cs = CompilerSelector.new(f)
assert f.fails_with? :clang
assert f.fails_with? :llvm
assert f.fails_with? :gcc
cs.select_compiler
assert_equal MacOS.default_compiler, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_no_compiler_failures
ENV.unset_use_cc
f = TestNoCompilerFailures.new
cs = CompilerSelector.new(f)
assert !(f.fails_with? :clang)
assert !(f.fails_with? :llvm)
assert case MacOS.gcc_42_build_version
when 0 then f.fails_with? :gcc
else !(f.fails_with? :gcc)
end
cs.select_compiler
assert_equal MacOS.default_compiler, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_mixed_compiler_failures
ENV.unset_use_cc
f = TestMixedCompilerFailures.new
cs = CompilerSelector.new(f)
assert f.fails_with? :clang
assert !(f.fails_with? :llvm)
assert f.fails_with? :gcc
cs.select_compiler
assert_equal :llvm, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_more_mixed_compiler_failures
ENV.unset_use_cc
f = TestMoreMixedCompilerFailures.new
cs = CompilerSelector.new(f)
assert !(f.fails_with? :clang)
assert f.fails_with? :llvm
assert f.fails_with? :gcc
cs.select_compiler
assert_equal :clang, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_even_more_mixed_compiler_failures
ENV.unset_use_cc
f = TestEvenMoreMixedCompilerFailures.new
cs = CompilerSelector.new(f)
assert f.fails_with? :clang
assert f.fails_with? :llvm
assert case MacOS.gcc_42_build_version
when 0 then f.fails_with? :gcc
else !(f.fails_with? :gcc)
end
cs.select_compiler
assert_equal case MacOS.clang_build_version
when 0..210 then :gcc
else :clang
end, ENV.compiler
ENV.send MacOS.default_compiler
end
def test_block_with_no_build_compiler_failures
ENV.unset_use_cc
f = TestBlockWithoutBuildCompilerFailure.new
cs = CompilerSelector.new(f)
assert f.fails_with? :clang
assert !(f.fails_with? :llvm)
assert !(f.fails_with? :gcc)
cs.select_compiler
assert_equal MacOS.default_compiler, ENV.compiler
ENV.send MacOS.default_compiler
end
end
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