[libcxx] [test] Fix whitespace, NFC.

test/std almost always uses spaces; now it is entirely tab-free.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@329978 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/algorithms/alg.modifying.operations/alg.copy/copy.pass.cpp

@@ -24,10 +24,10 @@
 //     int ia[] = {1, 2, 3, 4, 5};
 //     int ic[] = {6, 6, 6, 6, 6, 6, 6};
 //
-// 	auto p = std::copy(std::begin(ia), std::end(ia), std::begin(ic));
-// 	return std::equal(std::begin(ia), std::end(ia), std::begin(ic), p)
-// 	    && std::all_of(p, std::end(ic), [](int a){return a == 6;})
-// 	    ;
+//     auto p = std::copy(std::begin(ia), std::end(ia), std::begin(ic));
+//     return std::equal(std::begin(ia), std::end(ia), std::begin(ic), p)
+//         && std::all_of(p, std::end(ic), [](int a){return a == 6;})
+//         ;
 //     }
 // #endif
 

test/std/algorithms/alg.modifying.operations/alg.copy/copy_backward.pass.cpp

@@ -26,11 +26,11 @@
 //     int ia[] = {1, 2, 3, 4, 5};
 //     int ic[] = {6, 6, 6, 6, 6, 6, 6};
 //
-// 	size_t N = std::size(ia);
-// 	auto p = std::copy_backward(std::begin(ia), std::end(ia), std::begin(ic) + N);
-// 	return std::equal(std::begin(ic), p, std::begin(ia))
-// 	    && std::all_of(p, std::end(ic), [](int a){return a == 6;})
-// 	    ;
+//     size_t N = std::size(ia);
+//     auto p = std::copy_backward(std::begin(ia), std::end(ia), std::begin(ic) + N);
+//     return std::equal(std::begin(ic), p, std::begin(ia))
+//         && std::all_of(p, std::end(ic), [](int a){return a == 6;})
+//         ;
 //     }
 // #endif
 

test/std/algorithms/alg.modifying.operations/alg.copy/copy_if.pass.cpp

@@ -26,10 +26,10 @@
 //     int ia[] = {2, 4, 6, 8, 6};
 //     int ic[] = {0, 0, 0, 0, 0, 0};
 //
-// 	auto p = std::copy_if(std::begin(ia), std::end(ia), std::begin(ic), is6);
-// 	return std::all_of(std::begin(ic), p, [](int a){return a == 6;})
-// 	    && std::all_of(p, std::end(ic),   [](int a){return a == 0;})
-// 	    ;
+//     auto p = std::copy_if(std::begin(ia), std::end(ia), std::begin(ic), is6);
+//     return std::all_of(std::begin(ic), p, [](int a){return a == 6;})
+//         && std::all_of(p, std::end(ic),   [](int a){return a == 0;})
+//         ;
 //     }
 // #endif
 

test/std/algorithms/alg.modifying.operations/alg.copy/copy_n.pass.cpp

@@ -25,10 +25,10 @@
 //     int ia[] = {1, 2, 3, 4, 5};
 //     int ic[] = {6, 6, 6, 6, 6, 6, 6};
 //
-// 	auto p = std::copy_n(std::begin(ia), 4, std::begin(ic));
-// 	return std::equal(std::begin(ic), p, std::begin(ia))
-// 	    && std::all_of(p, std::end(ic), [](int a){return a == 6;})
-// 	    ;
+//     auto p = std::copy_n(std::begin(ia), 4, std::begin(ic));
+//     return std::equal(std::begin(ic), p, std::begin(ia))
+//         && std::all_of(p, std::end(ic), [](int a){return a == 6;})
+//         ;
 //     }
 // #endif
 

test/std/algorithms/alg.modifying.operations/alg.unique/unique.pass.cpp

@@ -26,7 +26,7 @@
 TEST_CONSTEXPR bool test_constexpr() {
           int ia[]       = {0, 1, 1, 3, 4};
     const int expected[] = {0, 1, 3, 4};
-	const size_t N = 4;
+    const size_t N = 4;
 
     auto it = std::unique(std::begin(ia), std::end(ia));
     return it == (std::begin(ia) + N)

test/std/algorithms/alg.modifying.operations/alg.unique/unique_pred.pass.cpp

@@ -26,7 +26,7 @@
 TEST_CONSTEXPR bool test_constexpr() {
           int ia[]       = {0, 1, 1, 3, 4};
     const int expected[] = {0, 1, 3, 4};
-	const size_t N = 4;
+    const size_t N = 4;
 
     auto it = std::unique(std::begin(ia), std::end(ia), [](int a, int b) {return a == b; });
     return it == (std::begin(ia) + N)

test/std/containers/container.adaptors/queue/queue.defn/emplace.pass.cpp

@@ -1,6 +1,6 @@
 //===----------------------------------------------------------------------===//
 //
-//					   The LLVM Compiler Infrastructure
+//                     The LLVM Compiler Infrastructure
 //
 // This file is dual licensed under the MIT and the University of Illinois Open
 // Source Licenses. See LICENSE.TXT for details.
@@ -13,7 +13,7 @@
 
 // template <class... Args> decltype(auto) emplace(Args&&... args);
 // return type is 'decltype(auto)' in C++17; 'void' before
-//	whatever the return type of the underlying container's emplace_back() returns.
+// whatever the return type of the underlying container's emplace_back() returns.
 
 
 #include <queue>
@@ -26,40 +26,40 @@
 
 template <typename Queue>
 void test_return_type() {
-	typedef typename Queue::container_type Container;
-	typedef typename Container::value_type value_type;
-	typedef decltype(std::declval<Queue>().emplace(std::declval<value_type &>()))	  queue_return_type;
+    typedef typename Queue::container_type Container;
+    typedef typename Container::value_type value_type;
+    typedef decltype(std::declval<Queue>().emplace(std::declval<value_type &>())) queue_return_type;
 
 #if TEST_STD_VER > 14
-	typedef decltype(std::declval<Container>().emplace_back(std::declval<value_type>())) container_return_type;
-	static_assert(std::is_same<queue_return_type, container_return_type>::value, "");
+    typedef decltype(std::declval<Container>().emplace_back(std::declval<value_type>())) container_return_type;
+    static_assert(std::is_same<queue_return_type, container_return_type>::value, "");
 #else
-	static_assert(std::is_same<queue_return_type, void>::value, "");
+    static_assert(std::is_same<queue_return_type, void>::value, "");
 #endif
 }
 
 int main()
 {
-	test_return_type<std::queue<int> > ();
-	test_return_type<std::queue<int, std::list<int> > > ();
+    test_return_type<std::queue<int> > ();
+    test_return_type<std::queue<int, std::list<int> > > ();
 
-	typedef Emplaceable T;
-	std::queue<Emplaceable> q;
+    typedef Emplaceable T;
+    std::queue<Emplaceable> q;
 #if TEST_STD_VER > 14
-	T& r1 = q.emplace(1, 2.5);
-	assert(&r1 == &q.back());
-	T& r2 = q.emplace(2, 3.5);
-	assert(&r2 == &q.back());
-	T& r3 = q.emplace(3, 4.5);
-	assert(&r3 == &q.back());
-	assert(&r1 == &q.front());
+    T& r1 = q.emplace(1, 2.5);
+    assert(&r1 == &q.back());
+    T& r2 = q.emplace(2, 3.5);
+    assert(&r2 == &q.back());
+    T& r3 = q.emplace(3, 4.5);
+    assert(&r3 == &q.back());
+    assert(&r1 == &q.front());
 #else
-	q.emplace(1, 2.5);
-	q.emplace(2, 3.5);
-	q.emplace(3, 4.5);
+    q.emplace(1, 2.5);
+    q.emplace(2, 3.5);
+    q.emplace(3, 4.5);
 #endif
 
-	assert(q.size() == 3);
-	assert(q.front() == Emplaceable(1, 2.5));
-	assert(q.back() == Emplaceable(3, 4.5));
+    assert(q.size() == 3);
+    assert(q.front() == Emplaceable(1, 2.5));
+    assert(q.back() == Emplaceable(3, 4.5));
 }

test/std/containers/test_compare.h

@@ -37,8 +37,8 @@ public:
 template <class C>
 class non_const_compare
 {
-//	operator() deliberately not marked as 'const'
-    bool operator()(const C& x,const C&y) { return x < y; }
+// operator() deliberately not marked as 'const'
+    bool operator()(const C& x, const C& y) { return x < y; }
 };
 
 

test/std/language.support/support.dynamic/new.delete/new.delete.placement/new_array_ptr.fail.cpp

@@ -21,6 +21,6 @@
 
 int main ()
 {
-	char buffer[100];
+    char buffer[100];
     ::operator new[](4, buffer);  // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
 }

test/std/language.support/support.dynamic/new.delete/new.delete.placement/new_ptr.fail.cpp

@@ -21,6 +21,6 @@
 
 int main ()
 {
-	char buffer[100];
+    char buffer[100];
     ::operator new(4, buffer);  // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
 }

test/std/language.support/support.dynamic/ptr.launder/launder.pass.cpp

@@ -22,14 +22,14 @@ constexpr int gi = 5;
 constexpr float gf = 8.f;
 
 int main() {
-	static_assert(std::launder(&gi) == &gi, "" );
-	static_assert(std::launder(&gf) == &gf, "" );
+    static_assert(std::launder(&gi) == &gi, "" );
+    static_assert(std::launder(&gf) == &gf, "" );
 
-  	const int *i = &gi;
-  	const float *f = &gf;
+    const int *i = &gi;
+    const float *f = &gf;
     static_assert(std::is_same<decltype(i), decltype(std::launder(i))>::value, "");
     static_assert(std::is_same<decltype(f), decltype(std::launder(f))>::value, "");
 
-	assert(std::launder(i) == i);
-	assert(std::launder(f) == f);
+    assert(std::launder(i) == i);
+    assert(std::launder(f) == f);
 }

test/std/strings/string.view/types.pass.cpp

@@ -15,19 +15,19 @@
 // {
 // public:
 //     // types:
-// 	using traits_type               = traits;
-// 	using value_type                = charT;
-// 	using pointer                   = value_type*;
-// 	using const_pointer             = const value_type*;
-// 	using reference                 = value_type&;
-// 	using const_reference           = const value_type&;
-// 	using const_iterator            = implementation-defined ; // see 24.4.2.2
-// 	using iterator                  = const_iterator;
-// 	using const_reverse_iterator    = reverse_iterator<const_iterator>;
-// 	using iterator                  = const_reverse_iterator;
-// 	using size_type                 = size_t;
-// 	using difference_type           = ptrdiff_t;
-// 	static constexpr size_type npos = size_type(-1);
+//     using traits_type               = traits;
+//     using value_type                = charT;
+//     using pointer                   = value_type*;
+//     using const_pointer             = const value_type*;
+//     using reference                 = value_type&;
+//     using const_reference           = const value_type&;
+//     using const_iterator            = implementation-defined ; // see 24.4.2.2
+//     using iterator                  = const_iterator;
+//     using const_reverse_iterator    = reverse_iterator<const_iterator>;
+//     using iterator                  = const_reverse_iterator;
+//     using size_type                 = size_t;
+//     using difference_type           = ptrdiff_t;
+//     static constexpr size_type npos = size_type(-1);
 //
 // };
 

test/std/thread/futures/futures.async/async.fail.cpp

@@ -33,6 +33,6 @@ int foo (int x) { return x; }
 
 int main ()
 {
-	std::async(                    foo, 3); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
-	std::async(std::launch::async, foo, 3); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
-}
+    std::async(                    foo, 3); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
+    std::async(std::launch::async, foo, 3); // expected-error {{ignoring return value of function declared with 'nodiscard' attribute}}
+}

test/std/utilities/meta/meta.trans/meta.trans.other/remove_cvref.pass.cpp

@@ -32,7 +32,7 @@ int main()
     test_remove_cvref<const volatile int, int>();
     test_remove_cvref<volatile int, int>();
 
-//	Doesn't decay
+// Doesn't decay
     test_remove_cvref<int[3],                 int[3]>();
     test_remove_cvref<int const [3],          int[3]>();
     test_remove_cvref<int volatile [3],       int[3]>();