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extend test/ufuzz.js

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- property access
- array literal
- object literal
This commit is contained in:
alexlamsl 2017-04-03 01:56:39 +08:00
parent b7f6b73f4e
commit dfa8ec2fa4
1 changed files with 59 additions and 1 deletions
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60
test/ufuzz.js
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@ -474,7 +474,7 @@ function createExpression(recurmax, noComma, stmtDepth, canThrow) {
return _createExpression(recurmax, noComma, stmtDepth, canThrow);
}
function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
switch (rng(15)) {
switch (rng(20)) {
case 0:
return createUnaryOp() + (rng(2) === 1 ? 'a' : 'b');
case 1:
@ -552,9 +552,67 @@ function _createExpression(recurmax, noComma, stmtDepth, canThrow) {
return " ((" + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + ") || a || 3).toString() ";
case 14:
return " /[abc4]/.test(((" + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + ") || b || 5).toString()) ";
case 15:
return " ((" + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) +
") || " + rng(10) + ").toString()[" +
createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "] ";
case 16:
return createArrayLiteral(recurmax, COMMA_OK, stmtDepth, canThrow);
case 17:
return createObjectLiteral(recurmax, COMMA_OK, stmtDepth, canThrow);
case 18:
return '(' + createArrayLiteral(recurmax, COMMA_OK, stmtDepth, canThrow) + '[' +
createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "]) ";
case 19:
return '(' + createObjectLiteral(recurmax, COMMA_OK, stmtDepth, canThrow) + '[' +
createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "]) ";
}
}
function createArrayLiteral(recurmax, noComma, stmtDepth, canThrow) {
var arr = "[";
for (var i = 0, N = rng(4); i <= N; ++i) {
// in rare cases produce an array hole element
var element = rng(20) ? createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) : "";
arr += element + ", ";
}
return arr + "]";
}
var KEYS = [
"length",
"foo",
"bar",
"a",
"b",
"c",
"x",
"''",
"' '",
"'-2'",
"'-1'",
"0",
"1",
"2.5",
"3",
"4",
"undefined",
"null",
"NaN",
"Infinity",
"in",
"var",
];
function createObjectLiteral(recurmax, noComma, stmtDepth, canThrow) {
var obj = "({";
for (var i = 0, N = rng(3); i <= N; ++i) {
var key = KEYS[rng(KEYS.length)];
obj += key + ":(" + createExpression(recurmax, COMMA_OK, stmtDepth, canThrow) + "), ";
}
return obj + "})";
}
function createNestedBinaryExpr(recurmax, noComma) {
recurmax = 3; // note that this generates 2^recurmax expression parts... make sure to cap it
return _createSimpleBinaryExpr(recurmax, noComma);