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--TEST--
str_increment(): Invalid strings to increment should throw a ValueError
--FILE--
<?php
$strings = [
// Empty string
"",
// String increments are unaware of being "negative"
"-cc",
// Trailing whitespace
"Z ",
// Leading whitespace
" Z",
// Non-ASCII characters
"é",
"あいうえお",
"α",
"ω",
"Α", // Capital alpha
"Ω",
// With period
"foo1.txt",
"1f.5",
// With multiple period
"foo.1.txt",
"1.f.5",
];
foreach ($strings as $s) {
try {
var_dump(str_increment($s));
} catch (ValueError $e) {
echo $e->getMessage(), PHP_EOL;
}
}
?>
--EXPECT--
str_increment(): Argument #1 ($string) must not be empty
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
str_increment(): Argument #1 ($string) must be composed only of alphanumeric ASCII characters
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