Squashed 'src/univalue/' changes from 16a1f7f6e..fe805ea74

fe805ea74 Declare single-argument (non-converting) constructors "explicit"
8a2d6f1e3 Merge pull request #41 from jgarzik/get-obj-map
ba341a20d Add getObjMap() helper method.  Also, constify checkObject().
ceb119413 Handle .pushKV() and .checkObject() edge cases.
107db9829 Add ::push_back(double) method for feature parity.
d41530031 Move one-line implementation of UniValue::read() to header.
52e85b35b Move exception-throwing get_* methods into separate implementation module.
dac529675 README.md: update code quotes
3e31dcffb README.md: close code quote
d09b8429d Update README.md
f1b86edb4 Convert README to markdown style.
1dfe464ef Import UniValue class unit tests from bitcoin project.
0d3e74dd1 operator[] takes size_t index parameter (versus unsigned int)
640158fa2 Private findKey() method becomes size_t clean, and returns bool on failure.
709913585 Merge pull request #36 from ryanofsky/pr/end-str
a31231b51 Version 1.0.3
4fd5444d1 Reject unterminated strings
81eba332b Merge pull request #26 from isle2983/pushBackHelpers
36405413e Merge PR #32 from branch 'nul-not-special' of git://github.com/ryanofsky/univalue into merge
89bb07322 Merge pull request #31 from ryanofsky/raw-literals
511008c36 Merge pull request #30 from ryanofsky/test-driver
77974f3a9 Merge pull request #34 from paveljanik/20161116_Wshadow_codepoint
a38fcd355 Do not shadow member variable codepoint.
fd32d1ab8 Don't require nul-terminated string inputs
0bb1439d0 Support parsing raw literals in UniValue
28876d045 Merge pull request #29 from btcdrak/exportspace
839ccd71f Add test driver for JSONTestSuite
26ef3fff1 Remove trailing whitespace from JSON export
cfa0384d6 Convenience wrappers for push_back-ing integer types
REVERT: 16a1f7f6e Merge #3: Pull upstream
REVERT: daf1285af Merge pull request #2 from jgarzik/master
REVERT: f32df99e9 Merge branch '2016_04_unicode' into bitcoin
REVERT: 280b191cb Merge remote-tracking branch 'jgarzik/master' into bitcoin
REVERT: 2740c4f71 Merge branch '2015_11_escape_plan' into bitcoin

git-subtree-dir: src/univalue
git-subtree-split: fe805ea74f8919382720b09a905a14e81311b3ad

test/unitester.cpp

@@ -113,6 +113,8 @@ static const char *filenames[] = {
         "fail39.json",               // invalid unicode: only second half of surrogate pair
         "fail40.json",               // invalid unicode: broken UTF-8
         "fail41.json",               // invalid unicode: unfinished UTF-8
+        "fail42.json",               // valid json with garbage following a nul byte
+        "fail44.json",               // unterminated string
         "fail3.json",
         "fail4.json",                // extra comma
         "fail5.json",
@@ -125,6 +127,11 @@ static const char *filenames[] = {
         "pass3.json",
         "round1.json",              // round-trip test
         "round2.json",              // unicode
+        "round3.json",              // bare string
+        "round4.json",              // bare number
+        "round5.json",              // bare true
+        "round6.json",              // bare false
+        "round7.json",              // bare null
 };
 
 // Test \u handling