Added printing of comments to *.actual test files

This enables testing of comment-handling code. Updated *.expected test
result files to account for printing of comments.
diff --git a/src/jsontestrunner/main.cpp b/src/jsontestrunner/main.cpp
index 338167e..ba98587 100644
--- a/src/jsontestrunner/main.cpp
+++ b/src/jsontestrunner/main.cpp
@@ -61,6 +61,9 @@
 
 static void
 printValueTree(FILE* fout, Json::Value& value, const std::string& path = ".") {
+  if (value.hasComment(Json::commentBefore)) {
+    fprintf(fout, "%s\n", value.getComment(Json::commentBefore).c_str());
+  }
   switch (value.type()) {
   case Json::nullValue:
     fprintf(fout, "%s=null\n", path.c_str());
@@ -117,6 +120,10 @@
   default:
     break;
   }
+
+  if (value.hasComment(Json::commentAfter)) {
+    fprintf(fout, "%s\n", value.getComment(Json::commentAfter).c_str());
+  }
 }
 
 static int parseAndSaveValueTree(const std::string& input,
diff --git a/test/data/test_basic_08.expected b/test/data/test_basic_08.expected
index c8db822..caf5352 100644
--- a/test/data/test_basic_08.expected
+++ b/test/data/test_basic_08.expected
@@ -1,2 +1,3 @@
+// C++ style comment
 .=null
 
diff --git a/test/data/test_basic_09.expected b/test/data/test_basic_09.expected
index c8db822..8b129da 100644
--- a/test/data/test_basic_09.expected
+++ b/test/data/test_basic_09.expected
@@ -1,2 +1,4 @@
+/* C style comment
+ */
 .=null
 
diff --git a/test/data/test_comment_02.expected b/test/data/test_comment_02.expected
index 09c745d..88d2bd0 100644
--- a/test/data/test_comment_02.expected
+++ b/test/data/test_comment_02.expected
@@ -1,7 +1,14 @@
 .={}
+/* C-style comment
+
+    C-style-2 comment */
 .c-test={}
 .c-test.a=1
+/* Internal comment c-style */
 .c-test.b=2
+// C++-style comment
 .cpp-test={}
+// Multiline comment cpp-style
+// Second line
 .cpp-test.c=3
 .cpp-test.d=4
diff --git a/test/data/test_integer_01.expected b/test/data/test_integer_01.expected
index 593f1db..463e149 100644
--- a/test/data/test_integer_01.expected
+++ b/test/data/test_integer_01.expected
@@ -1 +1,2 @@
+// Max signed integer
 .=2147483647
diff --git a/test/data/test_integer_02.expected b/test/data/test_integer_02.expected
index 4b83bd7..0773e08 100644
--- a/test/data/test_integer_02.expected
+++ b/test/data/test_integer_02.expected
@@ -1 +1,2 @@
+// Min signed integer
 .=-2147483648
diff --git a/test/data/test_integer_03.expected b/test/data/test_integer_03.expected
index 37c1cb1..c7efff7 100644
--- a/test/data/test_integer_03.expected
+++ b/test/data/test_integer_03.expected
@@ -1 +1,2 @@
+// Max unsigned integer
 .=4294967295
diff --git a/test/data/test_integer_04.expected b/test/data/test_integer_04.expected
index b7b548e..39f8567 100644
--- a/test/data/test_integer_04.expected
+++ b/test/data/test_integer_04.expected
@@ -1,2 +1,3 @@
+// Min unsigned integer
 .=0
 
diff --git a/test/data/test_preserve_comment_01.expected b/test/data/test_preserve_comment_01.expected
index 8d88041..2797aa7 100644
--- a/test/data/test_preserve_comment_01.expected
+++ b/test/data/test_preserve_comment_01.expected
@@ -1,3 +1,11 @@
+/* A comment
+   at the beginning of the file.
+ */
 .={}
 .first=1
+/* Comment before 'second'
+ */
 .second=2
+/* A comment at 
+   the end of the file.
+ */
diff --git a/test/data/test_real_01.expected b/test/data/test_real_01.expected
index ae23572..9514827 100644
--- a/test/data/test_real_01.expected
+++ b/test/data/test_real_01.expected
@@ -1,2 +1,3 @@
+// 2^33 => out of integer range, switch to double
 .=8589934592
 
diff --git a/test/data/test_real_02.expected b/test/data/test_real_02.expected
index df8de42..b80c004 100644
--- a/test/data/test_real_02.expected
+++ b/test/data/test_real_02.expected
@@ -1,2 +1,3 @@
+// -2^32 => out of signed integer range, switch to double
 .=-4294967295
 
diff --git a/test/data/test_real_03.expected b/test/data/test_real_03.expected
index df8de42..b80c004 100644
--- a/test/data/test_real_03.expected
+++ b/test/data/test_real_03.expected
@@ -1,2 +1,3 @@
+// -2^32 => out of signed integer range, switch to double
 .=-4294967295
 
diff --git a/test/data/test_real_04.expected b/test/data/test_real_04.expected
index d726abe..ff71a23 100644
--- a/test/data/test_real_04.expected
+++ b/test/data/test_real_04.expected
@@ -1,2 +1,3 @@
+// 1.2345678
 .=1.2345678
 
diff --git a/test/data/test_real_05.expected b/test/data/test_real_05.expected
index 949fd8f..7a46093 100644
--- a/test/data/test_real_05.expected
+++ b/test/data/test_real_05.expected
@@ -1,3 +1,4 @@
+// 1234567.8
 .=1234567.8
 
 
diff --git a/test/data/test_real_06.expected b/test/data/test_real_06.expected
index 03b7d7f..a4a004d 100644
--- a/test/data/test_real_06.expected
+++ b/test/data/test_real_06.expected
@@ -1,3 +1,4 @@
+// -1.2345678
 .=-1.2345678
 
 
diff --git a/test/data/test_real_07.expected b/test/data/test_real_07.expected
index 12025a4..dc02a89 100644
--- a/test/data/test_real_07.expected
+++ b/test/data/test_real_07.expected
@@ -1,3 +1,4 @@
+// -1234567.8
 .=-1234567.8
 
 
diff --git a/test/data/test_real_08.expected b/test/data/test_real_08.expected
index 9a5f062..b1deef9 100644
--- a/test/data/test_real_08.expected
+++ b/test/data/test_real_08.expected
@@ -1 +1,4 @@
+// Out of 32-bit integer range, switch to double in 32-bit mode. Length the
+// same as UINT_MAX in base 10 and digit less than UINT_MAX's last digit in
+// order to catch a bug in the parsing code.
 .=4300000001
diff --git a/test/data/test_real_09.expected b/test/data/test_real_09.expected
index 6da815e..aa2dbb2 100644
--- a/test/data/test_real_09.expected
+++ b/test/data/test_real_09.expected
@@ -1 +1,4 @@
+// Out of 64-bit integer range, switch to double in all modes. Length the same
+// as ULONG_MAX in base 10 and digit less than ULONG_MAX's last digit in order
+// to catch a bug in the parsing code.
 .=1.9e+19
diff --git a/test/data/test_real_10.expected b/test/data/test_real_10.expected
index 01126bf..d28a430 100644
--- a/test/data/test_real_10.expected
+++ b/test/data/test_real_10.expected
@@ -1 +1,4 @@
+// Out of 32-bit signed integer range, switch to double in all modes. Length
+// the same as INT_MIN in base 10 and digit less than INT_MIN's last digit in
+// order to catch a bug in the parsing code.
 .=-2200000001
diff --git a/test/data/test_real_11.expected b/test/data/test_real_11.expected
index 17f4187..2551946 100644
--- a/test/data/test_real_11.expected
+++ b/test/data/test_real_11.expected
@@ -1 +1,4 @@
+// Out of 64-bit signed integer range, switch to double in all modes. Length
+// the same as LONG_MIN in base 10 and digit less than LONG_MIN's last digit in
+// order to catch a bug in the parsing code.
 .=-9.3e+18
diff --git a/test/data/test_real_12.expected b/test/data/test_real_12.expected
index a000319..93e2417 100644
--- a/test/data/test_real_12.expected
+++ b/test/data/test_real_12.expected
@@ -1 +1,2 @@
+// 2^64 -> switch to double.
 .=1.844674407370955e+19