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test: add a test for ll suffixed types being promoted to ULL #23709

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Merged
merged 1 commit into from
Apr 2, 2019
Merged

test: add a test for ll suffixed types being promoted to ULL #23709

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16 changes: 16 additions & 0 deletions test/ClangImporter/long-long-promotion.swift
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Original file line number Diff line number Diff line change
@@ -0,0 +1,16 @@
// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -typecheck -verify %s

import macros

func verifyIsSigned(_: Int64) { }
func verifyIsUnsigned(_: UInt64) { }

// Windows will not convert a long long value that overflows into an unsigned
// long long if it has the `ll` suffix of `i64` suffix. Ensure that the type is
// imported appropriately.
#if os(Windows)
verifyIsSigned(LL_TO_ULL)
#else
verifyIsUnsigned(LL_TO_ULL)
#endif

2 changes: 2 additions & 0 deletions test/Inputs/clang-importer-sdk/usr/include/macros.h
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Expand Up @@ -25,6 +25,8 @@
#define TRUE 1
#define FALSE 0

#define LL_TO_ULL 0x8000000000000000LL

#define A_PI M_PI

#define VERSION_STRING "Swift 1.0"
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