description("Canonicalization of IPv4 addresses.");
cases = [
[".", ""],
// Regular IP addresses in different bases.
["192.168.0.1", "192.168.0.1"],
["0300.0250.00.01", "192.168.0.1"],
["0xC0.0Xa8.0x0.0x1", "192.168.0.1"],
// Non-IP addresses due to invalid characters.
["192.168.9.com", ""],
// Invalid characters for the base should be rejected.
["19a.168.0.1", ""],
["0308.0250.00.01", ""],
["0xCG.0xA8.0x0.0x1", ""],
// If there are not enough components, the last one should fill them out.
["192", "0.0.0.192"],
["0xC0a80001", "192.168.0.1"],
["030052000001", "192.168.0.1"],
["000030052000001", "192.168.0.1"],
["192.168", "192.0.0.168"],
["192.0x00A80001", "192.168.0.1"],
["0xc0.052000001", "192.168.0.1"],
["192.168.1", "192.168.0.1"],
// Too many components means not an IP address.
["192.168.0.0.1", ""],
// We allow a single trailing dot.
["192.168.0.1.", "192.168.0.1"],
["192.168.0.1. hello", ""],
["192.168.0.1..", ""],
// Two dots in a row means not an IP address.
["192.168..1", ""],
// Any numerical overflow should be marked as BROKEN.
["0x100.0", ""],
["0x100.0.0", ""],
["0x100.0.0.0", ""],
["0.0x100.0.0", ""],
["0.0.0x100.0", ""],
["0.0.0.0x100", ""],
["0.0.0x10000", ""],
["0.0x1000000", ""],
["0x100000000", ""],
// Repeat the previous tests, minus 1, to verify boundaries.
["0xFF.0", "255.0.0.0"],
["0xFF.0.0", "255.0.0.0"],
["0xFF.0.0.0", "255.0.0.0"],
["0.0xFF.0.0", "0.255.0.0"],
["0.0.0xFF.0", "0.0.255.0"],
["0.0.0.0xFF", "0.0.0.255"],
["0.0.0xFFFF", "0.0.255.255"],
["0.0xFFFFFF", "0.255.255.255"],
["0xFFFFFFFF", "255.255.255.255"],
// Old trunctations tests. They're all "BROKEN" now.
["276.256.0xf1a2.077777", ""],
["192.168.0.257", ""],
["192.168.0xa20001", ""],
["192.015052000001", ""],
["0X12C0a80001", ""],
["276.1.2", ""],
// Spaces should be rejected.
["192.168.0.1 hello", ""],
// Very large numbers.
["0000000000000300.0x00000000000000fF.00000000000000001", "192.255.0.1"],
["0000000000000300.0xffffffffFFFFFFFF.3022415481470977", ""],
// A number has no length limit, but long numbers can still overflow.
["00000000000000000001", "0.0.0.1"],
["0000000000000000100000000000000001", ""],
// If a long component is non-numeric, it's a hostname, *not* a broken IP.
["0.0.0.000000000000000000z", ""],
["0.0.0.100000000000000000z", ""],
// Truncation of all zeros should still result in 0.
["0.00.0x.0x0", "0.0.0.0"]
];
for (var i = 0; i < cases.length; ++i) {
test_vector = cases[i][0];
expected_result = cases[i][1];
if (expected_result === "") {
// The result of `canonicalize` should be same as the input if input is an
// invalid URL.
expected_result = test_vector;
}
shouldBe("canonicalize('http://" + test_vector + "/')",
"'http://" + expected_result + "/'");
}