--TEST--
String containers behaviour with offsets
--FILE--
<?php

require_once __DIR__ . DIRECTORY_SEPARATOR . 'test_offset_helpers.inc';

const EXPECTED_OUTPUT_VALID_OFFSETS = <<<OUTPUT
Read before write:

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Write:
Read:
string(1) "5"
Read-Write:
Cannot use assign-op operators with string offsets
isset():
bool(true)
empty():
bool(false)
null coalesce:
string(1) "5"
Reference to dimension:
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Nested write:
Cannot use string offset as an array
Nested Read-Write:
Cannot use string offset as an array
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_VALID_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_VALID_OFFSETS) . '$/s';

const EXPECTED_OUTPUT_VALID_OFFSETS_OUT_OF_RANGE = <<<OUTPUT
Read before write:

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Write:

Warning: Illegal string offset %i in %s on line %d
Read:

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Read-Write:
Cannot use assign-op operators with string offsets
isset():
bool(false)
empty():
bool(true)
null coalesce:
string(7) "default"
Reference to dimension:
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: Uninitialized string offset %i in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Nested write:
Cannot use string offset as an array
Nested Read-Write:
Cannot use string offset as an array
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_VALID_OFFSETS_OUT_OF_RANGE_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_VALID_OFFSETS_OUT_OF_RANGE) . '$/s';

const EXPECTED_OUTPUT_STRING_CAST_OFFSETS = <<<OUTPUT
Read before write:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Write:

Warning: String offset cast occurred in %s on line %d
Read:

Warning: String offset cast occurred in %s on line %d
string(1) "5"
Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use assign-op operators with string offsets
isset():
bool(true)
empty():
bool(false)
null coalesce:
string(1) "5"
Reference to dimension:

Warning: String offset cast occurred in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: String offset cast occurred in %s on line %d

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Nested write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_STRING_CAST_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_STRING_CAST_OFFSETS) . '$/s';

const EXPECTED_OUTPUT_STRING_CAST_OFFSETS_TO_0 = <<<OUTPUT
Read before write:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset 0 in %s on line %d
string(0) ""
Write:

Warning: String offset cast occurred in %s on line %d
Read:

Warning: String offset cast occurred in %s on line %d
string(1) "5"
Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use assign-op operators with string offsets
isset():
bool(true)
empty():
bool(false)
null coalesce:
string(1) "5"
Reference to dimension:

Warning: String offset cast occurred in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: String offset cast occurred in %s on line %d

Warning: String offset cast occurred in %s on line %d
string(1) "5"
Nested write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested isset():
bool(true)
Nested empty():
bool(false)
Nested null coalesce:
string(1) "5"
Nested unset():

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_STRING_CAST_OFFSETS_TO_0_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_STRING_CAST_OFFSETS_TO_0) . '$/s';

const EXPECTED_OUTPUT_STRING_CAST_OFFSETS_OUT_OF_RANGE = <<<OUTPUT
Read before write:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Write:

Warning: String offset cast occurred in %s on line %d

Warning: Illegal string offset %i in %s on line %d
Read:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use assign-op operators with string offsets
isset():
bool(false)
empty():
bool(true)
null coalesce:
string(7) "default"
Reference to dimension:

Warning: String offset cast occurred in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Nested write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_STRING_CAST_OFFSETS_OUT_OF_RANGE_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_STRING_CAST_OFFSETS_OUT_OF_RANGE) . '$/s';

const EXPECTF_OUTPUT_FLOAT_OFFSETS_OUT_OF_RANGE = <<<OUTPUT
Read before write:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Write:

Warning: String offset cast occurred in %s on line %d

Warning: Illegal string offset %i in %s on line %d
Read:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use assign-op operators with string offsets
isset():

Deprecated: Implicit conversion from float %f to int loses precision in %s on line %d
bool(false)
empty():

Deprecated: Implicit conversion from float %f to int loses precision in %s on line %d
bool(true)
null coalesce:
string(7) "default"
Reference to dimension:

Warning: String offset cast occurred in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %i in %s on line %d
string(0) ""
Nested write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array

OUTPUT;

$EXPECTF_OUTPUT_FLOAT_OFFSETS_OUT_OF_RANGE_REGEX = '/^' . expectf_to_regex(EXPECTF_OUTPUT_FLOAT_OFFSETS_OUT_OF_RANGE) . '$/s';

const EXPECTED_OUTPUT_FLOAT_INF_NAN_OFFSETS = <<<OUTPUT
Read before write:

Warning: String offset cast occurred in %s on line %d

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Write:

Warning: String offset cast occurred in %s on line %d
Read:

Warning: String offset cast occurred in %s on line %d
string(1) "5"
Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use assign-op operators with string offsets
isset():

Deprecated: Implicit conversion from float %F to int loses precision in %s on line %d
bool(true)
empty():

Deprecated: Implicit conversion from float %F to int loses precision in %s on line %d
bool(false)
null coalesce:
string(1) "5"
Reference to dimension:

Warning: String offset cast occurred in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: String offset cast occurred in %s on line %d

Warning: String offset cast occurred in %s on line %d
string(1) "5"
Nested write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array
Nested isset():

Deprecated: Implicit conversion from float %F to int loses precision in %s on line %d
bool(true)
Nested empty():

Deprecated: Implicit conversion from float %F to int loses precision in %s on line %d
bool(false)
Nested null coalesce:
string(1) "5"
Nested unset():

Warning: String offset cast occurred in %s on line %d
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_FLOAT_INF_NAN_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_FLOAT_INF_NAN_OFFSETS) . '$/s';

const EXPECTED_OUTPUT_INVALID_OFFSETS = <<<OUTPUT
Read before write:
Cannot access offset of type %s on string
Write:
Cannot access offset of type %s on string
Read:
Cannot access offset of type %s on string
Read-Write:
Cannot access offset of type %s on string
isset():
bool(false)
empty():
bool(true)
null coalesce:
Cannot access offset of type %s on string
Reference to dimension:
Cannot access offset of type %s on string
unset():
Cannot unset string offsets
Nested read:
Cannot access offset of type %s on string
Nested write:
Cannot access offset of type %s on string
Nested Read-Write:
Cannot access offset of type %s on string
Nested isset():
Cannot access offset of type %s on string
Nested empty():
Cannot access offset of type %s on string
Nested null coalesce:
Cannot access offset of type %s on string
Nested unset():
Cannot unset string offsets

OUTPUT;

$EXPECTED_OUTPUT_INVALID_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_INVALID_OFFSETS) . '$/s';

const EXPECTED_OUTPUT_INVALID_OFFSETS_AS_STRINGS = <<<OUTPUT
Read before write:
Cannot access offset of type string on string
Write:
Cannot access offset of type string on string
Read:
Cannot access offset of type string on string
Read-Write:
Cannot access offset of type string on string
isset():
bool(false)
empty():
bool(true)
null coalesce:
string(7) "default"
Reference to dimension:
Cannot access offset of type string on string
unset():
Cannot unset string offsets
Nested read:
Cannot access offset of type string on string
Nested write:
Cannot access offset of type string on string
Nested Read-Write:
Cannot access offset of type string on string
Nested isset():
bool(false)
Nested empty():
bool(true)
Nested null coalesce:
string(7) "default"
Nested unset():
Cannot unset string offsets

OUTPUT;

const EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS = <<<OUTPUT
Read before write:

Warning: Illegal string offset %s in %s on line %d

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Write:

Warning: Illegal string offset %s in %s on line %d
Read:

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Read-Write:

Warning: Illegal string offset %s in %s on line %d
Cannot use assign-op operators with string offsets
isset():
bool(false)
empty():
bool(true)
null coalesce:

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Reference to dimension:

Warning: Illegal string offset %s in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: Illegal string offset %s in %s on line %d

Warning: Illegal string offset %s in %s on line %d

Warning: Uninitialized string offset %d in %s on line %d
string(0) ""
Nested write:

Warning: Illegal string offset %s in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: Illegal string offset %s in %s on line %d
Cannot use string offset as an array
Nested isset():

Warning: Illegal string offset %s in %s on line %d
bool(false)
Nested empty():

Warning: Illegal string offset %s in %s on line %d
bool(true)
Nested null coalesce:

Warning: Illegal string offset %s in %s on line %d

Warning: Illegal string offset %s in %s on line %d
string(7) "default"
Nested unset():
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS) . '$/s';

const EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_TO_0 = <<<OUTPUT
Read before write:

Warning: Illegal string offset %s in %s on line %d

Warning: Uninitialized string offset 0 in %s on line %d
string(0) ""
Write:

Warning: Illegal string offset %s in %s on line %d
Read:

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Read-Write:

Warning: Illegal string offset %s in %s on line %d
Cannot use assign-op operators with string offsets
isset():
bool(false)
empty():
bool(true)
null coalesce:

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Reference to dimension:

Warning: Illegal string offset %s in %s on line %d
Cannot create references %s string offsets
unset():
Cannot unset string offsets
Nested read:

Warning: Illegal string offset %s in %s on line %d

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Nested write:

Warning: Illegal string offset %s in %s on line %d
Cannot use string offset as an array
Nested Read-Write:

Warning: Illegal string offset %s in %s on line %d
Cannot use string offset as an array
Nested isset():

Warning: Illegal string offset %s in %s on line %d
bool(false)
Nested empty():

Warning: Illegal string offset %s in %s on line %d
bool(true)
Nested null coalesce:

Warning: Illegal string offset %s in %s on line %d

Warning: Illegal string offset %s in %s on line %d
string(1) "5"
Nested unset():
Cannot use string offset as an array

OUTPUT;

$EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_TO_0_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_TO_0) . '$/s';

ob_start();
foreach ($offsets as $dimension) {
    $container = '';
    $error = '""[' . zend_test_var_export($dimension) . '] has different outputs' . "\n";

    include $var_dim_filename;
    $varOutput = ob_get_contents();
    ob_clean();
    $varOutput = str_replace(
        [$var_dim_filename],
        ['%s'],
        $varOutput
    );

    if (
        !preg_match($EXPECTED_OUTPUT_VALID_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_VALID_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_TO_0_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTF_OUTPUT_FLOAT_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_FLOAT_INF_NAN_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_REGEX, $varOutput)
        && $varOutput !== EXPECTED_OUTPUT_INVALID_OFFSETS_AS_STRINGS
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_TO_0_REGEX, $varOutput)
    ) {
        file_put_contents(__DIR__ . DIRECTORY_SEPARATOR . "debug_string_container_{$failuresNb}.txt", $varOutput);
        ++$failuresNb;
        $failures[] = $error;
    }
    ++$testCasesTotal;
}
/* Using offsets as references */
foreach ($offsets as $offset) {
    $dimension = &$offset;
    $container = '';
    $error = '""[&' . zend_test_var_export($offset) . '] has different outputs' . "\n";

    include $var_dim_filename;
    $varOutput = ob_get_contents();
    ob_clean();
    $varOutput = str_replace(
        [$var_dim_filename],
        ['%s'],
        $varOutput
    );

    if (
        !preg_match($EXPECTED_OUTPUT_VALID_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_VALID_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_TO_0_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_STRING_CAST_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTF_OUTPUT_FLOAT_OFFSETS_OUT_OF_RANGE_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_FLOAT_INF_NAN_OFFSETS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_REGEX, $varOutput)
        && $varOutput !== EXPECTED_OUTPUT_INVALID_OFFSETS_AS_STRINGS
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_REGEX, $varOutput)
        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_TO_0_REGEX, $varOutput)
    ) {
        file_put_contents(__DIR__ . DIRECTORY_SEPARATOR . "debug_string_container_{$failuresNb}.txt", $varOutput);
        ++$failuresNb;
        $failures[] = $error;
    }
    ++$testCasesTotal;
}
ob_end_clean();

echo "Executed tests\n";
if ($failures !== []) {
    echo "Failures:\n" . implode($failures);
}

?>
--EXPECT--
Executed tests