brew/Library/Homebrew/test/cxxstdlib_spec.rb

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2017-02-15 15:38:43 +01:00
require "formula"
require "cxxstdlib"
describe CxxStdlib do
let(:clang) { CxxStdlib.create(:libstdcxx, :clang) }
let(:gcc) { CxxStdlib.create(:libstdcxx, :gcc) }
let(:gcc40) { CxxStdlib.create(:libstdcxx, :gcc_4_0) }
let(:gcc42) { CxxStdlib.create(:libstdcxx, :gcc_4_2) }
let(:gcc48) { CxxStdlib.create(:libstdcxx, "gcc-4.8") }
let(:gcc49) { CxxStdlib.create(:libstdcxx, "gcc-4.9") }
let(:lcxx) { CxxStdlib.create(:libcxx, :clang) }
let(:purec) { CxxStdlib.create(nil, :clang) }
describe "#compatible_with?" do
specify "Apple libstdcxx intercompatibility" do
expect(clang).to be_compatible_with(gcc)
expect(clang).to be_compatible_with(gcc42)
end
specify "compatibility with itself" do
expect(gcc).to be_compatible_with(gcc)
expect(gcc48).to be_compatible_with(gcc48)
expect(clang).to be_compatible_with(clang)
end
specify "Apple/GNU libstdcxx incompatibility" do
expect(clang).not_to be_compatible_with(gcc48)
expect(gcc48).not_to be_compatible_with(clang)
end
specify "GNU cross-version incompatibility" do
expect(gcc48).not_to be_compatible_with(gcc49)
expect(gcc49).not_to be_compatible_with(gcc48)
end
specify "libstdcxx and libcxx incompatibility" do
expect(clang).not_to be_compatible_with(lcxx)
expect(lcxx).not_to be_compatible_with(clang)
end
specify "compatibility for non-cxx software" do
expect(purec).to be_compatible_with(clang)
expect(clang).to be_compatible_with(purec)
expect(purec).to be_compatible_with(purec)
expect(purec).to be_compatible_with(gcc48)
expect(gcc48).to be_compatible_with(purec)
end
end
describe "#apple_compiler?" do
it "returns true for Apple compilers" do
expect(clang).to be_an_apple_compiler
expect(gcc).to be_an_apple_compiler
expect(gcc42).to be_an_apple_compiler
end
it "returns false for non-Apple compilers" do
expect(gcc48).not_to be_an_apple_compiler
end
end
describe "#type_string" do
specify "formatting" do
expect(clang.type_string).to eq("libstdc++")
expect(lcxx.type_string).to eq("libc++")
end
end
end