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