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holes_and_undefined: {
input: {
w = [1,,];
x = [1, 2, undefined];
y = [1, , 2, ];
z = [1, undefined, 3];
}
expect: {
w=[1,,];
x=[1,2,void 0];
y=[1,,2];
z=[1,void 0,3];
}
}
constant_join: {
options = {
unsafe : true,
evaluate : true
};
input: {
var a = [ "foo", "bar", "baz" ].join("");
var a1 = [ "foo", "bar", "baz" ].join();
var b = [ "foo", 1, 2, 3, "bar" ].join("");
var c = [ boo(), "foo", 1, 2, 3, "bar", bar() ].join("");
var c1 = [ boo(), bar(), "foo", 1, 2, 3, "bar", bar() ].join("");
var c2 = [ 1, 2, "foo", "bar", baz() ].join("");
var d = [ "foo", 1 + 2 + "bar", "baz" ].join("-");
var e = [].join(foo + bar);
var f = [].join("");
var g = [].join("foo");
}
expect: {
var a = "foobarbaz";
var a1 = "foo,bar,baz";
var b = "foo123bar";
var c = boo() + "foo123bar" + bar();
var c1 = "" + boo() + bar() + "foo123bar" + bar();
var c2 = "12foobar" + baz();
var d = "foo-3bar-baz";
var e = [].join(foo + bar);
var f = "";
var g = "";
}
}
constant_join_2: {
options = {
unsafe : true,
evaluate : true
};
input: {
var a = [ "foo", "bar", boo(), "baz", "x", "y" ].join("");
var b = [ "foo", "bar", boo(), "baz", "x", "y" ].join("-");
var c = [ "foo", "bar", boo(), "baz", "x", "y" ].join("really-long-separator");
var d = [ "foo", "bar", boo(),
[ "foo", 1, 2, 3, "bar" ].join("+"),
"baz", "x", "y" ].join("-");
var e = [ "foo", "bar", boo(),
[ "foo", 1, 2, 3, "bar" ].join("+"),
"baz", "x", "y" ].join("really-long-separator");
var f = [ "str", "str" + variable, "foo", "bar", "moo" + foo ].join("");
}
expect: {
var a = "foobar" + boo() + "bazxy";
var b = [ "foo-bar", boo(), "baz-x-y" ].join("-");
var c = [ "foo", "bar", boo(), "baz", "x", "y" ].join("really-long-separator");
var d = [ "foo-bar", boo(), "foo+1+2+3+bar-baz-x-y" ].join("-");
var e = [ "foo", "bar", boo(),
"foo+1+2+3+bar",
"baz", "x", "y" ].join("really-long-separator");
var f = "strstr" + variable + "foobarmoo" + foo;
}
}
for_loop: {
options = {
unsafe : true,
unused : true,
evaluate : true,
reduce_vars : true
};
input: {
function f0() {
var a = [1, 2, 3];
for (var i = 0; i < a.length; i++) {
console.log(a[i]);
}
}
function f1() {
var a = [1, 2, 3];
for (var i = 0, len = a.length; i < len; i++) {
console.log(a[i]);
}
}
function f2() {
var a = [1, 2, 3];
for (var i = 0; i < a.length; i++) {
a[i]++;
}
}
}
expect: {
function f0() {
var a = [1, 2, 3];
for (var i = 0; i < 3; i++)
console.log(a[i]);
}
function f1() {
var a = [1, 2, 3];
for (var i = 0; i < 3; i++)
console.log(a[i]);
}
function f2() {
var a = [1, 2, 3];
for (var i = 0; i < a.length; i++)
a[i]++;
}
}
}
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