[libcxx] [test] Fix comment typos, strip trailing whitespace.

No functional change, no code review.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292434 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/containers/associative/map/incomplete_type.pass.cpp

@@ -9,7 +9,7 @@
 
 // <map>
 
-// Check that std::map and it's iterators can be instantiated with an incomplete
+// Check that std::map and its iterators can be instantiated with an incomplete
 // type.
 
 #include <map>

test/std/containers/associative/multimap/incomplete_type.pass.cpp

@@ -9,7 +9,7 @@
 
 // <map>
 
-// Check that std::multimap and it's iterators can be instantiated with an incomplete
+// Check that std::multimap and its iterators can be instantiated with an incomplete
 // type.
 
 #include <map>

test/std/containers/associative/multiset/incomplete_type.pass.cpp

@@ -9,7 +9,7 @@
 
 // <set>
 
-// Check that std::multiset and it's iterators can be instantiated with an incomplete
+// Check that std::multiset and its iterators can be instantiated with an incomplete
 // type.
 
 #include <set>

test/std/containers/associative/set/incomplete_type.pass.cpp

@@ -9,7 +9,7 @@
 
 // <set>
 
-// Check that std::set and it's iterators can be instantiated with an incomplete
+// Check that std::set and its iterators can be instantiated with an incomplete
 // type.
 
 #include <set>

test/std/containers/sequences/array/at.pass.cpp

@@ -25,7 +25,7 @@
 
 #if TEST_STD_VER > 14
 constexpr bool check_idx( size_t idx, double val )
-{ 
+{
     std::array<double, 3> arr = {1, 2, 3.5};
 	return arr.at(idx) == val;
 }

test/std/containers/sequences/array/front_back.pass.cpp

@@ -25,13 +25,13 @@
 
 #if TEST_STD_VER > 14
 constexpr bool check_front( double val )
-{ 
+{
     std::array<double, 3> arr = {1, 2, 3.5};
 	return arr.front() == val;
 }
 
 constexpr bool check_back( double val )
-{ 
+{
     std::array<double, 3> arr = {1, 2, 3.5};
 	return arr.back() == val;
 }

test/std/containers/sequences/array/indexing.pass.cpp

@@ -25,7 +25,7 @@
 
 #if TEST_STD_VER > 14
 constexpr bool check_idx( size_t idx, double val )
-{ 
+{
     std::array<double, 3> arr = {1, 2, 3.5};
 	return arr[idx] == val;
 }

test/std/containers/sequences/list/incomplete_type.pass.cpp

@@ -9,7 +9,7 @@
 
 // <list>
 
-// Check that std::list and it's iterators can be instantiated with an incomplete
+// Check that std::list and its iterators can be instantiated with an incomplete
 // type.
 
 #include <list>

test/std/containers/unord/unord.map/incomplete_type.pass.cpp

@@ -10,7 +10,7 @@
 
 // <unordered_map>
 
-// Check that std::unordered_map and it's iterators can be instantiated with an incomplete
+// Check that std::unordered_map and its iterators can be instantiated with an incomplete
 // type.
 
 #include <unordered_map>

test/std/containers/unord/unord.multimap/incomplete.pass.cpp

@@ -10,7 +10,7 @@
 
 // <unordered_map>
 
-// Check that std::unordered_multimap and it's iterators can be instantiated with an incomplete
+// Check that std::unordered_multimap and its iterators can be instantiated with an incomplete
 // type.
 
 #include <unordered_map>

test/std/containers/unord/unord.multiset/incomplete.pass.cpp

@@ -11,7 +11,7 @@
 
 // <unordered_set>
 
-// Check that std::unordered_multiset and it's iterators can be instantiated with an incomplete
+// Check that std::unordered_multiset and its iterators can be instantiated with an incomplete
 // type.
 
 #include <unordered_set>

test/std/containers/unord/unord.set/incomplete.pass.cpp

@@ -11,7 +11,7 @@
 
 // <unordered_set>
 
-// Check that std::unordered_set and it's iterators can be instantiated with an incomplete
+// Check that std::unordered_set and its iterators can be instantiated with an incomplete
 // type.
 
 #include <unordered_set>

test/std/experimental/filesystem/class.path/path.member/path.append.pass.cpp

@@ -131,7 +131,7 @@ void doAppendSourceAllocTest(AppendOperatorTestcase const& TC)
     assert(LHS == E);
   }
   // input iterator - For non-native char types, appends needs to copy the
-  // iterator range into a contigious block of memory before it can perform the
+  // iterator range into a contiguous block of memory before it can perform the
   // code_cvt conversions.
   // For "char" no allocations will be performed because no conversion is
   // required.

test/std/experimental/filesystem/class.path/path.member/path.assign/source.pass.cpp

@@ -50,7 +50,7 @@ void RunTestCase(MultiStringType const& MS) {
     const std::basic_string<CharT> S(TestPath);
     path p; PathReserve(p, S.length() + 1);
     {
-      // string provides a contigious iterator. No allocation needed.
+      // string provides a contiguous iterator. No allocation needed.
       DisableAllocationGuard g;
       path& pref = (p = S);
       assert(&pref == &p);
@@ -76,7 +76,7 @@ void RunTestCase(MultiStringType const& MS) {
     const std::basic_string_view<CharT> S(TestPath);
     path p; PathReserve(p, S.length() + 1);
     {
-      // string provides a contigious iterator. No allocation needed.
+      // string provides a contiguous iterator. No allocation needed.
       DisableAllocationGuard g;
       path& pref = (p = S);
       assert(&pref == &p);
@@ -102,7 +102,7 @@ void RunTestCase(MultiStringType const& MS) {
   {
     path p; PathReserve(p, Size + 1);
     {
-      // char* pointers are contigious and can be used with code_cvt directly.
+      // char* pointers are contiguous and can be used with code_cvt directly.
       // no allocations needed.
       DisableAllocationGuard g;
       path& pref = (p = TestPath);

test/std/experimental/filesystem/class.path/path.member/path.concat.pass.cpp

@@ -132,7 +132,7 @@ void doConcatSourceAllocTest(ConcatOperatorTestcase const& TC)
     assert(LHS == E);
   }
   // input iterator - For non-native char types, appends needs to copy the
-  // iterator range into a contigious block of memory before it can perform the
+  // iterator range into a contiguous block of memory before it can perform the
   // code_cvt conversions.
   // For "char" no allocations will be performed because no conversion is
   // required.

test/std/experimental/filesystem/class.path/synop.pass.cpp

@@ -32,7 +32,7 @@ int main() {
   {
     ASSERT_SAME_TYPE(const path::value_type, decltype(path::preferred_separator));
     static_assert(path::preferred_separator == '/', "");
-    // Make preferred_separator ODR used by taking it's address.
+    // Make preferred_separator ODR used by taking its address.
     const char* dummy = &path::preferred_separator;
     ((void)dummy);
   }

test/std/experimental/filesystem/class.rec.dir.itr/rec.dir.itr.members/increment.pass.cpp

@@ -175,7 +175,7 @@ TEST_CASE(access_denied_on_recursion_test_case)
         TEST_CHECK(ec);
         TEST_CHECK(it == endIt);
     }
-    // Same as obove but test operator++().
+    // Same as above but test operator++().
     {
         std::error_code ec = GetTestEC();
         recursive_directory_iterator it(startDir, ec);
@@ -222,7 +222,7 @@ TEST_CASE(access_denied_on_recursion_test_case)
         TEST_REQUIRE(ec);
         TEST_REQUIRE(it == endIt);
     }
-    // Same as obove but testing the throwing constructors
+    // Same as above but testing the throwing constructors
     {
         TEST_REQUIRE_THROW(filesystem_error,
                            recursive_directory_iterator(permDeniedDir));

test/std/experimental/filesystem/fs.op.funcs/fs.op.absolute/absolute.pass.cpp

@@ -54,7 +54,7 @@ TEST_CASE(absolute_path_test)
         TEST_REQUIRE(not p.has_root_name());
         TEST_REQUIRE(p.has_root_directory());
         TEST_CHECK(p.is_absolute());
-        // ensure absolute(base) is not recursivly called
+        // ensure absolute(base) is not recursively called
         TEST_REQUIRE(base.has_root_name());
         TEST_REQUIRE(base.has_root_directory());
 
@@ -73,7 +73,7 @@ TEST_CASE(absolute_path_test)
         TEST_REQUIRE(p.has_root_name());
         TEST_REQUIRE(not p.has_root_directory());
         TEST_CHECK(not p.is_absolute());
-        // absolute is called recursivly on base. The following conditions
+        // absolute is called recursively on base. The following conditions
         // must be true for it to return base unmodified
         TEST_REQUIRE(base.has_root_name());
         TEST_REQUIRE(base.has_root_directory());

test/std/experimental/filesystem/fs.op.funcs/fs.op.permissions/permissions.pass.cpp

@@ -144,7 +144,7 @@ TEST_CASE(test_no_resolve_symlink_on_symlink)
         std::error_code expected_ec;
 #else
         // On linux symlink permissions are not supported. The error code should
-        // be 'operation_not_supported' and the sylink permissions should be
+        // be 'operation_not_supported' and the symlink permissions should be
         // unchanged.
         const auto expected_link_perms = symlink_status(sym).permissions();
         std::error_code expected_ec = std::make_error_code(std::errc::operation_not_supported);

test/std/experimental/memory/memory.polymorphic.allocator.class/memory.polymorphic.allocator.mem/construct_types.pass.cpp

@@ -120,7 +120,7 @@ void test_pmr_uses_alloc(Args&&... args)
     }
     {
         // Test that T(std::allocator_arg_t, Alloc const&, Args...) construction
-        // is prefered when T(Args..., Alloc const&) is also available.
+        // is preferred when T(Args..., Alloc const&) is also available.
         using T = UsesAllocatorV3<Alloc, sizeof...(Args)>;
         assert((doTest<T>(UA_AllocArg, std::forward<Args>(args)...)));
     }

test/std/experimental/string.view/string.view.access/at.pass.cpp

@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// NOTE: Older versions of clang have a bug where they fail to evalute
+// NOTE: Older versions of clang have a bug where they fail to evaluate
 // string_view::at as a constant expression.
 // XFAIL: clang-3.4, clang-3.3
 

test/std/experimental/utilities/tuple/tuple.apply/extended_types.pass.cpp

@@ -13,7 +13,7 @@
 
 // template <class F, class T> constexpr decltype(auto) apply(F &&, T &&)
 
-// Testing extended function types. The extented function types are those
+// Testing extended function types. The extended function types are those
 // named by INVOKE but that are not actual callable objects. These include
 // bullets 1-4 of invoke.
 

test/std/input.output/iostream.format/quoted.manip/quoted_char.fail.cpp

@@ -18,7 +18,7 @@
 
 #include "test_macros.h"
 
-//	Test that mismatches between strings and wides streams are diagnosed
+//	Test that mismatches between strings and wide streams are diagnosed
 
 #if TEST_STD_VER > 11
 

test/std/iterators/stream.iterators/istream.iterator/istream.iterator.cons/copy.pass.cpp

@@ -13,7 +13,7 @@
 
 // istream_iterator(const istream_iterator& x);
 //  C++17 says:  If is_trivially_copy_constructible_v<T> is true, then
-//     this constructor shall beis a trivial copy constructor.
+//     this constructor is a trivial copy constructor.
 
 #include <iterator>
 #include <sstream>

test/std/iterators/stream.iterators/istream.iterator/istream.iterator.cons/default.pass.cpp

@@ -17,7 +17,7 @@
 
 // constexpr istream_iterator();
 // C++17 says: If is_trivially_default_constructible_v<T> is true, then this
-//    constructor shall beis a constexpr constructor.
+//    constructor is a constexpr constructor.
 
 #include <iterator>
 #include <cassert>

test/std/iterators/stream.iterators/istream.iterator/types.pass.cpp

@@ -29,11 +29,11 @@
 //   If T is a literal type, then this destructor shall be a trivial destructor.
 // C++17 says:
 //   If is_trivially_default_constructible_v<T> is true, then
-//       this constructor (the default ctor) shall beis a constexpr constructor.
+//       this constructor (the default ctor) is a constexpr constructor.
 //   If is_trivially_copy_constructible_v<T> is true, then
-//       this constructor (the copy ctor) shall beis a trivial copy constructor.
+//       this constructor (the copy ctor) is a trivial copy constructor.
 //   If is_trivially_destructible_v<T> is true, then this
-//       destructor shall beis a trivial destructor.
+//       destructor is a trivial destructor.
 //  Testing the C++17 ctors for this are in the ctor tests.
 
 #include <iterator>

test/std/localization/locale.categories/category.monetary/locale.moneypunct/locale.moneypunct.members/negative_sign.pass.cpp

@@ -14,7 +14,7 @@
 // string_type negative_sign() const;
 
 // The C++ and C standards are silent.
-//   On this one, commen sense is the guideline.
+//   On this one, common sense is the guideline.
 //   If customers complain, I'll endeavor to minimize customer complaints
 
 #include <locale>

test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date.pass.cpp

@@ -13,7 +13,7 @@
 // REQUIRES: locale.zh_CN.UTF-8
 
 // GLIBC Expects "10/06/2009" for fr_FR as opposed to "10.06.2009"
-// GLIBC also failes on the zh_CN test.
+// GLIBC also fails on the zh_CN test.
 // XFAIL: linux
 
 // <locale>

test/std/localization/locale.categories/category.time/locale.time.get.byname/get_date_wide.pass.cpp

@@ -13,7 +13,7 @@
 // REQUIRES: locale.zh_CN.UTF-8
 
 // GLIBC Expects "10/06/2009" for fr_FR as opposed to "10.06.2009"
-// GLIBC also failes on the zh_CN test.
+// GLIBC also fails on the zh_CN test.
 // XFAIL: linux
 
 // <locale>

test/std/strings/string.view/string.view.access/at.pass.cpp

@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-// NOTE: Older versions of clang have a bug where they fail to evalute
+// NOTE: Older versions of clang have a bug where they fail to evaluate
 // string_view::at as a constant expression.
 // XFAIL: clang-3.4, clang-3.3
 

test/std/strings/string.view/string_view.literals/literal.pass.cpp

@@ -48,7 +48,7 @@ int main()
     Lfoo =  L"ABC"sv;     assert(Lfoo ==  L"ABC");   assert(Lfoo == std::wstring_view  ( L"ABC"));
     ufoo =  u"ABC"sv;     assert(ufoo ==  u"ABC");   assert(ufoo == std::u16string_view( u"ABC"));
     Ufoo =  U"ABC"sv;     assert(Ufoo ==  U"ABC");   assert(Ufoo == std::u32string_view( U"ABC"));
-    
+
     static_assert(  "ABC"sv.size() == 3, "");
     static_assert(u8"ABC"sv.size() == 3, "");
     static_assert( L"ABC"sv.size() == 3, "");

test/std/thread/thread.condition/thread.condition.condvarany/wait_terminates.sh.cpp

@@ -24,8 +24,8 @@
 
 // -----------------------------------------------------------------------------
 // Overview
-//   Check that std::terminate is called if wait(...) fails to meet it's post
+//   Check that std::terminate is called if wait(...) fails to meet its post
-//   conditions. This can happens when reacquiring the mutex throws
+//   conditions. This can happen when reacquiring the mutex throws
 //   an exception.
 //
 //  The following methods are tested within this file
@@ -37,7 +37,7 @@
 //   6.  void wait_until(Lock& lock, TimePoint, Pred);
 //
 // Plan
-//   1 Create a mutex type, 'ThrowingMutex', that throws when the lock is aquired
+//   1 Create a mutex type, 'ThrowingMutex', that throws when the lock is acquired
 //     for the *second* time.
 //
 //   2 Replace the terminate handler with one that exits with a '0' exit code.

test/std/thread/thread.threads/thread.thread.class/thread.thread.constr/F.pass.cpp

@@ -106,7 +106,7 @@ public:
 //  A Each allocation performed during thread construction should be performed
 //    in the parent thread so that std::terminate is not called if
 //    std::bad_alloc is thrown by new.
-//  B std::threads constructor should properly handle exceptions and not leak
+//  B std::thread's constructor should properly handle exceptions and not leak
 //    memory.
 // Plan:
 //  1 Create a thread and count the number of allocations, 'N', it performs.

test/std/utilities/function.objects/func.wrap/func.wrap.func/func.wrap.func.con/F_nullptr.pass.cpp

@@ -31,7 +31,7 @@
 //    types can be null. The other categories are not tested here.
 //  3) '__not_null(Callable)' is well formed when the call signature includes
 //      varargs.
-//  4) '__not_null(Callable)' works for Callable types with all aritys less
+//  4) '__not_null(Callable)' works for Callable types with all arities less
 //     than or equal to 3 in C++03.
 //  5) '__not_null(Callable)' works when 'Callable' is a member function
 //     pointer to a cv or ref qualified function type.

test/std/utilities/memory/unique.ptr/unique.ptr.single/unique.ptr.single.ctor/default.pass.cpp

@@ -20,7 +20,7 @@
 //
 // Plan
 //  1 Default construct unique_ptr's with various deleter types (C-1)
-//  2 Default construct a unique_ptr with a incomplete element_type and
+//  2 Default construct a unique_ptr with an incomplete element_type and
 //    various deleter types (C-1,2)
 
 #include <memory>

test/std/utilities/memory/util.smartptr/util.smartptr.enab/enable_shared_from_this.pass.cpp

@@ -84,12 +84,12 @@ int main()
         T* ptr = new T;
         std::shared_ptr<T> s(ptr);
         {
-            // Don't re-initialize the "enabled_shared_from_this" base
+            // Don't re-initialize the "enable_shared_from_this" base
             // because it already references a non-expired shared_ptr.
             std::shared_ptr<T> s2(ptr, &nullDeleter);
         }
 #if TEST_STD_VER > 14
-        // The enabled_shared_from_this base should still be referencing
+        // The enable_shared_from_this base should still be referencing
         // the original shared_ptr.
         assert(!ptr->weak_from_this().expired());
 #endif

test/std/utilities/meta/meta.unary/meta.unary.prop/is_literal_type.pass.cpp

@@ -77,7 +77,7 @@ int main()
 #endif
 
 // Before C++14, void was not a literal type
-// In C++14, cv-void is is a literal type
+// In C++14, cv-void is a literal type
 #if TEST_STD_VER < 14
     test_is_not_literal_type<void>();
 #else

test/std/utilities/tuple/tuple.tuple/tuple.cnstr/PR22806_constrain_tuple_like_ctor.pass.cpp

@@ -144,8 +144,8 @@ int main()
         assert(&std::get<0>(t2) == &t1);
     }
     // Test constructing a 1-tuple of the form tuple<UDT> from another 1-tuple
-    // 'tuple<T>' where UDT *can* be constructed from 'tuple<T>' In this case
+    // 'tuple<T>' where UDT *can* be constructed from 'tuple<T>'. In this case
-    // the 'tuple(UTypes...)' ctor should be choosen and 'UDT' constructed frow
+    // the 'tuple(UTypes...)' ctor should be chosen and 'UDT' constructed from
     // 'tuple<T>'.
     {
         using VT = ConstructibleFromTupleAndInt;

test/std/utilities/tuple/tuple.tuple/tuple.cnstr/default.pass.cpp

@@ -100,8 +100,8 @@ int main()
         assert(std::get<1>(t) == nullptr);
     }
     {
-    // Check that the SFINAE on the default constructor is not evaluted when
+    // Check that the SFINAE on the default constructor is not evaluated when
-    // it isn't needed. If the default constructor is evaluted then this test
+    // it isn't needed. If the default constructor is evaluated then this test
     // should fail to compile.
         IllFormedDefault v(0);
         std::tuple<IllFormedDefault> t(v);

test/std/utilities/utility/pairs/pairs.pair/default-sfinae.pass.cpp

@@ -32,7 +32,7 @@
 
 struct DeletedDefault {
     // A class with a deleted default constructor. Used to test the SFINAE
-    // on std::pairs default constructor.
+    // on std::pair's default constructor.
     constexpr explicit DeletedDefault(int x) : value(x) {}
     constexpr DeletedDefault() = delete;
     int value;

test/std/utilities/utility/pairs/pairs.pair/default.pass.cpp

@@ -15,7 +15,7 @@
 
 // This test doesn't pass due to a constexpr bug in GCC 4.9 that fails
 // to initialize any type without a user provided constructor in a constant
-// expression (ie float).
+// expression (e.g. float).
 // XFAIL: gcc-4.9
 
 // NOTE: The SFINAE on the default constructor is tested in

test/support/constexpr_char_traits.hpp

@@ -1,5 +1,5 @@
 // -*- C++ -*-
-//===-------_------------ constexpr_char_traits ---------------------------===//
+//===-------------------- constexpr_char_traits ---------------------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //

test/support/container_test_types.h

@@ -33,7 +33,7 @@
 //   the construction of types using an allocator. This type is used to communicate
 //   between the test author, the containers allocator, and the types
 //   being constructed by the container.
-//   The controllers primary functions are:
+//   The controller's primary functions are:
 //     1. Allow calls to 'a.construct(p, args...)' to be checked by a test.
 //        The test uses 'cc->expect<Args...>()' to specify that the allocator
 //        should expect one call to 'a.construct' with the specified argument
@@ -366,7 +366,7 @@ struct CopyInsertable {
 
   CopyInsertable(CopyInsertable&& other) : CopyInsertable(other) {}
 
-  // Forgive pair for not downcasting this to an lvalue it its constructors.
+  // Forgive pair for not downcasting this to an lvalue in its constructors.
   CopyInsertable(CopyInsertable const && other) : CopyInsertable(other) {}
 
 

test/support/controlled_allocators.hpp

@@ -26,7 +26,7 @@
 
 struct AllocController;
     // 'AllocController' is a concrete type that instruments and controls the
-    // behavior of of test allocators.
+    // behavior of test allocators.
 
 template <class T, size_t ID = 0>
 class CountingAllocator;

test/support/filesystem_test_helper.hpp

@@ -381,7 +381,7 @@ bool checkCollectionsEqualBackwards(
 }
 
 // We often need to test that the error_code was cleared if no error occurs
-// this function returns a error_code which is set to an error that will
+// this function returns an error_code which is set to an error that will
 // never be returned by the filesystem functions.
 inline std::error_code GetTestEC() {
     return std::make_error_code(std::errc::address_family_not_supported);

test/support/platform_support.h

@@ -59,7 +59,7 @@
 #endif
 
 #if defined(_NEWLIB_VERSION) && defined(__STRICT_ANSI__)
-// Newlib provies this, but in the header it's under __STRICT_ANSI__
+// Newlib provides this, but in the header it's under __STRICT_ANSI__
 extern "C" {
   int mkstemp(char*);
 }

test/support/test_memory_resource.hpp

@@ -25,7 +25,7 @@
 
 // FIXME: This is a hack to allow uses_allocator_types.hpp to work with
 // erased_type. However we can't define that behavior directly in the header
-// because it con't include <experimental/memory_resource>
+// because it can't include <experimental/memory_resource>
 template <>
 struct TransformErasedTypeAlloc<std::experimental::erased_type> {
   using type = std::experimental::pmr::memory_resource*;