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generate expressions with this

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This commit is contained in:
alexlamsl 2017-04-23 15:44:57 +08:00
parent f868e9e552
commit 38f046a1eb
1 changed files with 12 additions and 6 deletions
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18
test/ufuzz.js
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@ -630,8 +630,12 @@ function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
);
break;
default:
if (rng(4) == 0) s.push('function ' + name + '(){');
else {
VAR_NAMES.push('this');
s.push('new function ' + name + '(){');
}
s.push(
(rng(4) == 0 ? '' : 'new ') + 'function ' + name + '(){',
strictMode(),
createStatements(rng(5) + 1, recurmax, canThrow, CANNOT_BREAK, CANNOT_CONTINUE, CAN_RETURN, stmtDepth),
'}'
@ -764,22 +768,24 @@ function _createBinaryExpr(recurmax, noComma, stmtDepth, canThrow) {
function _createSimpleBinaryExpr(recurmax, noComma, stmtDepth, canThrow) {
// intentionally generate more hardcore ops
if (--recurmax < 0) return createValue();
var assignee, expr;
switch (rng(30)) {
case 0:
return '(c = c + 1, ' + _createSimpleBinaryExpr(recurmax, noComma, stmtDepth, canThrow) + ')';
case 1:
return '(' + createUnarySafePrefix() + '(' + _createSimpleBinaryExpr(recurmax, noComma, stmtDepth, canThrow) + '))';
case 2:
var assignee = getVarName();
assignee = getVarName();
if (assignee == 'this') assignee = 'a';
return '(' + assignee + createAssignment() + _createBinaryExpr(recurmax, noComma, stmtDepth, canThrow) + ')';
case 3:
var assignee = getVarName();
var expr = '(' + assignee + '[' + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow)
assignee = getVarName();
expr = '(' + assignee + '[' + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow)
+ ']' + createAssignment() + _createBinaryExpr(recurmax, noComma, stmtDepth, canThrow) + ')';
return canThrow && rng(10) == 0 ? expr : '(' + assignee + ' && ' + expr + ')';
case 4:
var assignee = getVarName();
var expr = '(' + assignee + '.' + getDotKey() + createAssignment()
assignee = getVarName();
expr = '(' + assignee + '.' + getDotKey() + createAssignment()
+ _createBinaryExpr(recurmax, noComma, stmtDepth, canThrow) + ')';
return canThrow && rng(10) == 0 ? expr : '(' + assignee + ' && ' + expr + ')';
default: