Added tests for operators and more.

test/invalid/assignmentToValue.js

+// TODO Maybe we should not fail here , it could makes some things easier
+1337++;
+++1337;
+1337--;
+--1337;
+1337=bar;
+1337+=bar;
+1337-=bar;
+1337*=bar;
+1337/=bar;
+1337%=bar;
\ No newline at end of file

test/invalid/emptyRoundBrackets.js

+();
\ No newline at end of file

test/invalid/invalidOperatorUsage.js

+// TODO split into multiple files, as this does not make sense
+// Even if only one line fails, this test is marked as a success
+
+foo+;
+foo-;
+foo*;
+*bar;
+foo/;
+/foo;
+foo%;
+$foo;
+foo++bar;
+foo--bar;
+
+foo==;
+foo===;
+foo!=;
+foo>;
+foo<;
+foo>=;
+foo<=;
+
+==bar;
+===bar;
+!=bar;
+>bar;
+<bar;
+>=bar;
+<=bar;
+
+&&bar;
+||bar;
+foo&&;
+foo||;
+bar!foo;
+
+foo=;
+foo+=;
+foo-=;
+foo*=;
+foo/=;
+foo%=;
+=bar;
++=bar;
+-=bar;
+*=bar;
+/=bar;
+%=bar;
+
+foo?bar;
+bar:fum;
+?bar;
+foo?;
+bar:;
+:fum;
\ No newline at end of file

test/valid/arithmeticOperators.js

+foo+bar;
+foo-bar;
+foo*bar;
+foo/bar;
+foo%bar;
+foo++;
+foo--;
+++foo;
+--foo;
\ No newline at end of file

test/valid/assignmentOperators.js

+foo=bar;
+foo+=bar;
+foo-=bar;
+foo*=bar;
+foo/=bar;
+foo%=bar;
\ No newline at end of file

test/valid/comparisonOperators.js

+foo==bar;
+foo===bar;
+foo!=bar;
+foo>bar;
+foo<bar;
+foo>=bar;
+foo<=bar;
\ No newline at end of file

test/valid/logicalOperators.js

+foo&&bar;
+foo||bar;
+!foo;
\ No newline at end of file

test/valid/roundBrackets.js

+(foo);
+( foo + bar );
+(foo+bar);
+(foo+(bar));
+((foo)+(bar));
\ No newline at end of file

test/valid/simpleString.js

+"foo";
+'bar';
\ No newline at end of file

test/valid/ternaryOperator.js

+foo?bar:fum;
\ No newline at end of file

test/valid/varInitialization.js

+var foo = 1;
+var foo = 13.37;
+var foo = "bar";
+var foo = bar;
+var foo = true;
+var foo = null;
+var foo = undefined;
+var foo = [ 1, 2, 3 ];
\ No newline at end of file