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// RUN: %empty-directory(%t)
// RUN: %target-clangxx -c %S/Inputs/extern-var.cpp -I %S/Inputs -o %t/extern-var.o
// RUN: %target-build-swift %s -I %S/Inputs -o %t/extern-var %t/extern-var.o -Xfrontend -enable-experimental-cxx-interop
// RUN: %target-codesign %t/extern-var
// RUN: %target-run %t/extern-var
//
// REQUIRES: executable_test
import ExternVar
import StdlibUnittest
var ExternVarTestSuite = TestSuite("ExternVarTestSuite")
ExternVarTestSuite.test("write-from-swift") {
counter = 42
expectEqual(42, counter)
expectEqual(42, getCounterFromCxx())
}
ExternVarTestSuite.test("write-from-cxx") {
setCounterFromCxx(84)
expectEqual(84, counter)
expectEqual(84, getCounterFromCxx())
}
ExternVarTestSuite.test("namespaced-write-from-swift") {
Namespaced.counter = 42
expectEqual(42, Namespaced.counter)
expectEqual(42, Namespaced.getCounterFromCxx())
}
ExternVarTestSuite.test("namespaced-write-from-cxx") {
Namespaced.setCounterFromCxx(84)
expectEqual(84, Namespaced.counter)
expectEqual(84, Namespaced.getCounterFromCxx())
}
// Check that variables with identical names in different namespaces don't
// collide in any intermediate representation of the compiler.
ExternVarTestSuite.test("no-collisions") {
counter = 12
Namespaced.counter = 42
expectEqual(12, counter)
expectEqual(42, Namespaced.counter)
}
runAllTests()
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