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GirgiasGirgias
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ext/standard: Add some sscanf tests
This is in preparation for some major refactoring as the current error messages are non-sensical
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‎ext/standard/tests/strings/scanf/sscanf_binary_strings.phpt‎

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--TEST--
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sscanf(): with strings containing null bytes
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--FILE--
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<?php
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$str = "Hello\0wonderful\0World!";
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$format = "%s\0%s\0%s";
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try {
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var_dump(sscanf($str, $format));
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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try {
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var_dump(sscanf($str, $format, $a, $b, $c));
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var_dump($a, $b, $c);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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?>
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--EXPECT--
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array(1) {
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[0]=>
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string(5) "Hello"
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}
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ValueError: Variable is not assigned by any conversion specifiers

‎ext/standard/tests/strings/scanf/sscanf_format_string_XPG_assignments.phpt‎

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--TEST--
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sscanf(): format string XPG argument tests
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--FILE--
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<?php
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$formats = [
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'%1$s %2$s %1$s',
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'%1$s %*s %3$s',
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'%s %*s %3$s',
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];
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$str = "Hello World";
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foreach ($formats as $format) {
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echo "Using format string '$format':\n";
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try {
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var_dump(sscanf($str, $format));
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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try {
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var_dump(sscanf($str, $format, $a, $b, $c));
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var_dump($a, $b, $c);
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$a = $b = $c = null;
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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}
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?>
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--EXPECT--
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Using format string '%1$s %2$s %1$s':
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ValueError: Variable is assigned by multiple "%n$" conversion specifiers
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ValueError: Variable is assigned by multiple "%n$" conversion specifiers
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Using format string '%1$s %*s %3$s':
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array(3) {
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[0]=>
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string(5) "Hello"
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[1]=>
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NULL
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[2]=>
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NULL
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}
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ValueError: Variable is not assigned by any conversion specifiers
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Using format string '%s %*s %3$s':
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ValueError: cannot mix "%" and "%n$" conversion specifiers
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ValueError: cannot mix "%" and "%n$" conversion specifiers

‎ext/standard/tests/strings/scanf/sscanf_format_string_unterminated_rangespecifier.phpt‎

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--TEST--
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sscanf(): unterminated range [] specifier
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--FILE--
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<?php
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function combinatorial_concat(string $base, array $patterns): array {
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$r = [$base];
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foreach ($patterns as $pattern) {
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$r = array_merge(
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...array_map(
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fn (string $str) => [$str, $str . $pattern],
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$r,
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)
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);
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}
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return $r;
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}
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$modifiers = [
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'^',
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']',
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];
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$formats = combinatorial_concat('%[', $modifiers);
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$str = "Hello World";
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foreach ($formats as $format) {
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echo "Using format string '$format':\n";
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try {
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sscanf($str, $format);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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}
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?>
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--EXPECT--
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Using format string '%[':
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ValueError: Unmatched [ in format string
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Using format string '%[]':
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ValueError: Unmatched [ in format string
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Using format string '%[^':
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ValueError: Unmatched [ in format string
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Using format string '%[^]':
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ValueError: Unmatched [ in format string

‎ext/standard/tests/strings/scanf/sscanf_format_string_unterminated_specifier.phpt‎

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--TEST--
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sscanf(): format string which is unterminated
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--FILE--
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<?php
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function combinatorial_concat(string $base, array $patterns): array {
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$r = [$base];
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foreach ($patterns as $pattern) {
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$r = array_merge(
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...array_map(
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fn (string $str) => [$str, $str . $pattern],
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$r,
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)
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);
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}
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return $r;
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}
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$modifiers = [
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'*',
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'1$', // XPG
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'2', // Width
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'L', // Size
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];
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$formats = combinatorial_concat('%', $modifiers);
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$str = "Hello World";
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foreach ($formats as $format) {
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echo "Using format string '$format':\n";
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try {
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sscanf($str, $format);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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}
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?>
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--EXPECT--
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Using format string '%':
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ValueError: Bad scan conversion character "
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Using format string '%L':
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ValueError: Bad scan conversion character "
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Using format string '%2':
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ValueError: Bad scan conversion character "
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Using format string '%2L':
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ValueError: Bad scan conversion character "
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Using format string '%1$':
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ValueError: Bad scan conversion character "
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Using format string '%1$L':
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ValueError: Bad scan conversion character "
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Using format string '%1$2':
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ValueError: Bad scan conversion character "
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Using format string '%1$2L':
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ValueError: Bad scan conversion character "
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Using format string '%*':
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ValueError: Bad scan conversion character "
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Using format string '%*L':
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ValueError: Bad scan conversion character "
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Using format string '%*2':
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ValueError: Bad scan conversion character "
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Using format string '%*2L':
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ValueError: Bad scan conversion character "
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Using format string '%*1$':
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ValueError: Bad scan conversion character "$"
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Using format string '%*1$L':
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ValueError: Bad scan conversion character "$"
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Using format string '%*1$2':
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ValueError: Bad scan conversion character "$"
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Using format string '%*1$2L':
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ValueError: Bad scan conversion character "$"

‎ext/standard/tests/strings/scanf/sscanf_range_specifier_edge_cases.phpt‎

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--TEST--
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sscanf(): test %[] specifier with edge cases
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--FILE--
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<?php
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try {
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sscanf('[hello]', '%[][helo]', $out);
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var_dump($out);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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try {
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sscanf('-in-', '%[-i-n]', $out);
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var_dump($out);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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try {
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sscanf('-[in]-', '%[][-i-n]', $out);
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var_dump($out);
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} catch (Throwable $e) {
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echo $e::class, ': ', $e->getMessage(), PHP_EOL;
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}
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?>
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--EXPECT--
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string(7) "[hello]"
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string(4) "-in-"
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string(4) "-in-"

‎ext/standard/tests/strings/scanf/sscanf_range_specifier_ints.phpt‎

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--TEST--
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sscanf(): test %[] specifier with numbers
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--FILE--
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<?php
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$formats = [
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'%[240531]',
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'%[0-5]',
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'%[5-0]',
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'%[^9687]',
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'%[^6-9]',
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'%[^9-6]',
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'%4[240531]',
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'%4[0-5]',
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'%4[5-0]',
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'%4[^9687]',
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'%4[^6-9]',
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'%4[^9-6]',
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];
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$str = "00112233445566778899";
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foreach ($formats as $format) {
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echo "Using format string '$format':\n";
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sscanf($str, $format, $out);
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var_dump($out);
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}
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?>
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--EXPECT--
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Using format string '%[240531]':
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string(12) "001122334455"
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Using format string '%[0-5]':
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string(12) "001122334455"
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Using format string '%[5-0]':
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string(12) "001122334455"
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Using format string '%[^9687]':
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string(12) "001122334455"
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Using format string '%[^6-9]':
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string(12) "001122334455"
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Using format string '%[^9-6]':
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string(12) "001122334455"
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Using format string '%4[240531]':
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string(4) "0011"
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Using format string '%4[0-5]':
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string(4) "0011"
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Using format string '%4[5-0]':
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string(4) "0011"
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Using format string '%4[^9687]':
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string(4) "0011"
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Using format string '%4[^6-9]':
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string(4) "0011"
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Using format string '%4[^9-6]':
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string(4) "0011"

‎ext/standard/tests/strings/scanf/sscanf_range_specifier_strings.phpt‎

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--TEST--
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sscanf(): test %[] specifier with strings
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--FILE--
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<?php
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$formats = [
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'%[aefgbcd]',
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'%[a-g]',
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'%[g-a]',
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'%[^uvwstxyz]',
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'%[^s-z]',
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'%[^z-s]',
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'%4[aefgbcd]',
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'%4[g-a]',
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'%4[^uvwstxyz]',
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'%4[^s-z]',
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'%4[^z-s]',
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];
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$str = "abcdefghijklmnopqrstuvwxyz";
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foreach ($formats as $format) {
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echo "Using format string '$format':\n";
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sscanf($str, $format, $out);
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var_dump($out);
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}
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?>
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--EXPECT--
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Using format string '%[aefgbcd]':
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string(7) "abcdefg"
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Using format string '%[a-g]':
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string(7) "abcdefg"
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Using format string '%[g-a]':
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string(7) "abcdefg"
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Using format string '%[^uvwstxyz]':
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string(18) "abcdefghijklmnopqr"
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Using format string '%[^s-z]':
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string(18) "abcdefghijklmnopqr"
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Using format string '%[^z-s]':
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string(18) "abcdefghijklmnopqr"
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Using format string '%4[aefgbcd]':
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string(4) "abcd"
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Using format string '%4[g-a]':
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string(4) "abcd"
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Using format string '%4[^uvwstxyz]':
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string(4) "abcd"
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Using format string '%4[^s-z]':
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string(4) "abcd"
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Using format string '%4[^z-s]':
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string(4) "abcd"

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