Strengthen tests

.gas-snapshot

@@ -372,29 +372,29 @@ FixedPointMathLibTest:testSqrtHashedSingle() (gas: 53086)
 FixedPointMathLibTest:testZeroFloorSub(uint256,uint256) (runs: 256, μ: 548, ~: 518)
 FixedPointMathLibTest:testZeroFloorSubCasted(uint32,uint32,uint256) (runs: 256, μ: 905, ~: 945)
 FixedPointMathLibTest:test__codesize() (gas: 19246)
-JSONParserLibTest:testDecodeEncodedStringDoesNotRevert(string) (runs: 256, μ: 48763, ~: 42931)
-JSONParserLibTest:testDecodeInvalidStringReverts() (gas: 154393)
-JSONParserLibTest:testDecodeString() (gas: 174062)
+JSONParserLibTest:testDecodeEncodedStringDoesNotRevert(string) (runs: 256, μ: 69438, ~: 59459)
+JSONParserLibTest:testDecodeInvalidStringReverts() (gas: 156703)
+JSONParserLibTest:testDecodeString() (gas: 177212)
 JSONParserLibTest:testParseEmptyArrays() (gas: 627001)
 JSONParserLibTest:testParseEmptyObjects() (gas: 627984)
 JSONParserLibTest:testParseGas() (gas: 125792)
-JSONParserLibTest:testParseInt() (gas: 159666)
-JSONParserLibTest:testParseInvalidIntReverts() (gas: 187675)
-JSONParserLibTest:testParseInvalidNumberReverts() (gas: 3847942)
-JSONParserLibTest:testParseInvalidReverts() (gas: 8247458)
-JSONParserLibTest:testParseInvalidStringReverts() (gas: 1171032)
-JSONParserLibTest:testParseInvalidUintReverts() (gas: 282585)
+JSONParserLibTest:testParseInt() (gas: 162186)
+JSONParserLibTest:testParseInvalidIntReverts() (gas: 190405)
+JSONParserLibTest:testParseInvalidNumberReverts() (gas: 3874192)
+JSONParserLibTest:testParseInvalidReverts() (gas: 8289458)
+JSONParserLibTest:testParseInvalidStringReverts() (gas: 1991625)
+JSONParserLibTest:testParseInvalidUintReverts() (gas: 285735)
 JSONParserLibTest:testParseNumber() (gas: 845913)
 JSONParserLibTest:testParseObject() (gas: 50333)
-JSONParserLibTest:testParseRecursiveObject() (gas: 102215)
+JSONParserLibTest:testParseRecursiveObject() (gas: 102425)
 JSONParserLibTest:testParseSimpleArray() (gas: 24503)
 JSONParserLibTest:testParseSimpleUintArray() (gas: 1241502)
-JSONParserLibTest:testParseSpecials() (gas: 306277)
-JSONParserLibTest:testParseString() (gas: 1236622)
-JSONParserLibTest:testParseUint() (gas: 83386)
-JSONParserLibTest:testParseUint(uint256) (runs: 256, μ: 33144, ~: 27130)
-JSONParserLibTest:testParseValidObjectDoesNotRevert(string,string) (runs: 256, μ: 59658, ~: 57060)
-JSONParserLibTest:test__codesize() (gas: 32690)
+JSONParserLibTest:testParseSpecials() (gas: 306487)
+JSONParserLibTest:testParseString() (gas: 1431848)
+JSONParserLibTest:testParseUint() (gas: 84856)
+JSONParserLibTest:testParseUint(uint256) (runs: 256, μ: 34039, ~: 29510)
+JSONParserLibTest:testParseValidObjectDoesNotRevert(string,string) (runs: 256, μ: 60609, ~: 57772)
+JSONParserLibTest:test__codesize() (gas: 33357)
 LibBitTest:testAnd() (gas: 185677)
 LibBitTest:testAnd(bool,bool) (runs: 256, μ: 668, ~: 667)
 LibBitTest:testAutoClean(uint256,uint256) (runs: 256, μ: 446, ~: 446)

test/JSONParserLib.t.sol

@@ -411,6 +411,9 @@ contract JSONParserLibTest is SoladyTest {
         _checkParseString('"01234567890123456789012345678901"');
         _checkParseString('"012345678901234567890123456789012"');
         _checkParseString('"0123456789012345678901234567890123"');
+        _checkParseString('"  d"');
+        _checkParseString('"d  "');
+        _checkParseString('"  d  "');
         _checkParseString('"\\""');
         _checkParseString('"\\\\"');
         _checkParseString('"\\/"');
@@ -419,6 +422,7 @@ contract JSONParserLibTest is SoladyTest {
         _checkParseString('"\\n"');
         _checkParseString('"\\r"');
         _checkParseString('"\\t"');
+        _checkParseString('"  \\u1234 \\"\\"\\\\ \\b\\f \\n\\r "');
         _checkParseString('"\\u1234"');
         _checkParseString('"\\uabcd"');
         _checkParseString('"\\uABCD"');
@@ -446,6 +450,11 @@ contract JSONParserLibTest is SoladyTest {
     function testParseInvalidStringReverts() public {
         _checkParseReverts('"');
         _checkParseReverts('"""');
+        _checkParseReverts('""""');
+        _checkParseReverts('"""""');
+        _checkParseReverts('"abc" "');
+        _checkParseReverts('"abc" ""');
+        _checkParseReverts('"abc""abc"');
         _checkParseReverts('"\\"');
         _checkParseReverts('"\\\\\\"');
         _checkParseReverts('"\\u"');
@@ -605,6 +614,7 @@ contract JSONParserLibTest is SoladyTest {
         _limitStringLength(s);
         s = string(abi.encodePacked('"', LibString.escapeJSON(s), '"'));
         this.decodeString(s);
+        assertEq(this.parsedValue(s), s);
     }
 
     function _limitStringLength(string memory s) internal {