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// RUN: rm -rf %t
// RUN: split-file %s %t
// RUN: not %target-swift-frontend -typecheck -I %t/Inputs %t/test.swift -enable-experimental-cxx-interop -diagnostic-style llvm 2>&1 | %FileCheck %s
// REQUIRES: OS=macosx || OS=linux-gnu
//--- Inputs/module.modulemap
module Test {
header "test.h"
requires cplusplus
}
//--- Inputs/test.h
#include <vector>
using V = std::vector<int>;
//--- test.swift
import Test
import CxxStdlib
public func test(v: V) {
// CHECK: note: C++ method 'begin' that returns an iterator is unavailable
// CHECK: note: do you want to use a for-in loop instead?
// CHECK: ^~~~~
// CHECK: makeIterator
_ = v.begin()
// CHECK: note: C++ method 'end' that returns an iterator is unavailable
// CHECK: note: do you want to compare against 'nil' instead?
// CHECK: ^~~~
// CHECK: nil
_ = v.end()
// CHECK: note: C++ method 'front' that returns a reference of type 'UnsafePointer' is unavailable
// CHECK: note: C++ method 'front' may return an interior pointer
// CHECK: note: do you want to get the first element instead?
// CHECK: ^~~~~~~
// CHECK: first
_ = v.front()
// CHECK: note: C++ method 'back' that returns a reference of type 'UnsafePointer' is unavailable
// CHECK: note: C++ method 'back' may return an interior pointer
// CHECK: note: do you want to get the last element instead?
// CHECK: ^~~~~~
// CHECK: last
_ = v.back()
}
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