[libcxx] [test] Fix MSVC warning C4242 "conversion from 'int' to 'const char', possible loss of data".

StephanTLavavej · StephanTLavavej · commit 14e60beb7108 · 2017-07-19T22:02:22.000Z
Fixes D34534.

llvm-svn: 308532
diff --git a/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp b/libcxx/test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
@@ -40,7 +40,7 @@ class testbuf
             if (__c != base::traits_type::eof())
             {
                 int n = str_.size();
-                str_.push_back(__c);
+                str_.push_back(static_cast<CharT>(__c));
                 str_.resize(str_.capacity());
                 base::setp(const_cast<CharT*>(str_.data()),
                            const_cast<CharT*>(str_.data() + str_.size()));
diff --git a/libcxx/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp b/libcxx/test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
@@ -46,7 +46,7 @@ class testbuf
             if (__c != base::traits_type::eof())
             {
                 int n = str_.size();
-                str_.push_back(__c);
+                str_.push_back(static_cast<CharT>(__c));
                 str_.resize(str_.capacity());
                 base::setp(const_cast<CharT*>(str_.data()),
                            const_cast<CharT*>(str_.data() + str_.size()));

Original file line number	Diff line number	Diff line change
`@@ -40,7 +40,7 @@ class testbuf`
`40`	`40`	`if (__c != base::traits_type::eof())`
`41`	`41`	`{`
`42`	`42`	`int n = str_.size();`
`43`		`- str_.push_back(__c);`
	`43`	`+ str_.push_back(static_cast<CharT>(__c));`
`44`	`44`	`str_.resize(str_.capacity());`
`45`	`45`	`base::setp(const_cast<CharT*>(str_.data()),`
`46`	`46`	`const_cast<CharT*>(str_.data() + str_.size()));`
Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@ class testbuf`
`46`	`46`	`if (__c != base::traits_type::eof())`
`47`	`47`	`{`
`48`	`48`	`int n = str_.size();`
`49`		`- str_.push_back(__c);`
	`49`	`+ str_.push_back(static_cast<CharT>(__c));`
`50`	`50`	`str_.resize(str_.capacity());`
`51`	`51`	`base::setp(const_cast<CharT*>(str_.data()),`
`52`	`52`	`const_cast<CharT*>(str_.data() + str_.size()));`