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_1: {
options = {
evaluate: true,
side_effects: true,
strings: true,
unsafe: true,
}
input: {
var a = [ "foo", "bar", "baz" ].join("");
var a1 = [ "foo", "bar", "baz" ].join();
var a2 = [ "foo", "bar", "baz" ].join(null);
var a3 = [ "foo", "bar", "baz" ].join(void 0);
var a4 = [ "foo", , "baz" ].join();
var a5 = [ "foo", null, "baz" ].join();
var a6 = [ "foo", void 0, "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 c3 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join("");
var c4 = [ 1, 2, null, undefined, "foo", "bar", baz() ].join("");
var c5 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join();
var c6 = [ 1, 2, null, undefined, "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 a2 = "foonullbarnullbaz";
var a3 = "foo,bar,baz";
var a4 = "foo,,baz";
var a5 = "foo,,baz";
var a6 = "foo,,baz";
var b = "foo123bar";
var c = boo() + "foo123bar" + bar();
var c1 = "" + boo() + bar() + "foo123bar" + bar();
var c2 = "12foobar" + baz();
var c3 = boo() + bar() + "foo123bar" + bar() + "foo";
var c4 = "12foobar" + baz();
var c5 = [ boo() + bar() + "foo", 1, 2, 3, "bar", bar() + "foo" ].join();
var c6 = [ "1,2,,,foo,bar", baz() ].join();
var d = "foo-3bar-baz";
var e = (foo, bar, "");
var f = "";
var g = "";
}
}
constant_join_2: {
options = {
evaluate: true,
strings: true,
unsafe: 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;
}
}
constant_join_3: {
options = {
evaluate: true,
strings: true,
unsafe: true,
}
input: {
var foo, bar, baz;
var a = [ null ].join();
var b = [ , ].join();
var c = [ , 1, , 3 ].join();
var d = [ foo ].join();
var e = [ foo, null, undefined, bar ].join("-");
var f = [ foo, bar ].join("");
var g = [ null, "foo", null, bar + "baz" ].join("");
var h = [ null, "foo", null, bar + "baz" ].join("-");
var i = [ "foo" + bar, null, baz + "moo" ].join("");
var j = [ foo + "bar", baz ].join("");
var k = [ foo, "bar" + baz ].join("");
var l = [ foo, bar + "baz" ].join("");
}
expect: {
var foo, bar, baz;
var a = "";
var b = "";
var c = ",1,,3";
var d = "" + foo;
var e = [ foo, "-", bar ].join("-");
var f = "" + foo + bar;
var g = "foo" + bar + "baz";
var h = [ "-foo-", bar + "baz" ].join("-");
var i = "foo" + bar + baz + "moo";
var j = foo + "bar" + baz;
var k = foo + "bar" + baz;
var l = foo + (bar + "baz");
}
}
for_loop: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
unsafe: true,
unused: true,
}
input: {
function f0() {
var a = [1, 2, 3];
var b = 0;
for (var i = 0; i < a.length; i++)
b += a[i];
return b;
}
function f1() {
var a = [1, 2, 3];
var b = 0;
for (var i = 0, len = a.length; i < len; i++)
b += a[i];
return b;
}
function f2() {
var a = [1, 2, 3];
for (var i = 0; i < a.length; i++)
a[i]++;
return a[2];
}
console.log(f0(), f1(), f2());
}
expect: {
function f0() {
var a = [1, 2, 3];
var b = 0;
for (var i = 0; i < 3; i++)
b += a[i];
return b;
}
function f1() {
var a = [1, 2, 3];
var b = 0;
for (var i = 0; i < 3; i++)
b += a[i];
return b;
}
function f2() {
var a = [1, 2, 3];
for (var i = 0; i < a.length; i++)
a[i]++;
return a[2];
}
console.log(f0(), f1(), f2());
}
expect_stdout: "6 6 4"
}
index: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a[0], a[1]);
}
expect: {
console.log(1, 2);
}
expect_stdout: "1 2"
}
length: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a.length);
}
expect: {
console.log(2);
}
expect_stdout: "2"
}
index_length: {
options = {
evaluate: true,
reduce_funcs: true,
reduce_vars: true,
toplevel: true,
unsafe: true,
unused: true,
}
input: {
var a = [ 1, 2 ];
console.log(a[0], a.length);
}
expect: {
console.log(1, 2);
}
expect_stdout: "1 2"
}
constructor_bad: {
options = {
unsafe: true
}
input: {
try {
Array(NaN);
console.log("FAIL1");
} catch (ex) {
try {
new Array(NaN);
console.log("FAIL2");
} catch (ex) {
console.log("PASS");
}
}
try {
Array(3.14);
console.log("FAIL1");
} catch (ex) {
try {
new Array(3.14);
console.log("FAIL2");
} catch (ex) {
console.log("PASS");
}
}
}
expect: {
try {
Array(NaN);
console.log("FAIL1");
} catch (ex) {
try {
Array(NaN);
console.log("FAIL2");
} catch (ex) {
console.log("PASS");
}
}
try {
Array(3.14);
console.log("FAIL1");
} catch (ex) {
try {
Array(3.14);
console.log("FAIL2");
} catch (ex) {
console.log("PASS");
}
}
}
expect_stdout: [
"PASS",
"PASS",
]
expect_warnings: [
"WARN: Invalid array length: 3.14 [test/compress/arrays.js:13,12]",
"WARN: Invalid array length: 3.14 [test/compress/arrays.js:17,16]",
]
}
constructor_good: {
options = {
unsafe: true
}
input: {
console.log(Array());
console.log(Array(0));
console.log(Array(1));
console.log(Array(6));
console.log(Array(7));
console.log(Array(1, 2));
console.log(Array(false));
console.log(Array("foo"));
console.log(Array(Array));
console.log(new Array());
console.log(new Array(0));
console.log(new Array(1));
console.log(new Array(6));
console.log(new Array(7));
console.log(new Array(1, 2));
console.log(new Array(false));
console.log(new Array("foo"));
console.log(new Array(Array));
}
expect: {
console.log([]);
console.log([]);
console.log([,]);
console.log([,,,,,,]);
console.log(Array(7));
console.log([ 1, 2 ]);
console.log([ false ]);
console.log([ "foo" ]);
console.log(Array(Array));
console.log([]);
console.log([]);
console.log([,]);
console.log([,,,,,,]);
console.log(Array(7));
console.log([ 1, 2 ]);
console.log([ false ]);
console.log([ "foo" ]);
console.log(Array(Array));
}
expect_stdout: true
expect_warnings: []
}
unsafe_evaluate_modified_binary: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
}
input: {
(function(a) {
(console && a).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect: {
(function(a) {
(console && a).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect_stdout: "PASS"
}
unsafe_evaluate_modified_conditional: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
}
input: {
(function(a) {
(console ? a : []).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect: {
(function(a) {
(console ? a : []).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect_stdout: "PASS"
}
unsafe_evaluate_modified_sequence: {
options = {
evaluate: true,
reduce_vars: true,
unsafe: true,
}
input: {
(function(a) {
(0, a).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect: {
(function(a) {
(0, a).push(1);
if (a.length)
console.log("PASS");
})([]);
}
expect_stdout: "PASS"
}
