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Commit d27e1e1

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core: Add new test for coercions from NAN
1 parent f389ade commit d27e1e1

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3 files changed

+192
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lines changed

3 files changed

+192
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Lines changed: 106 additions & 0 deletions
Original file line numberDiff line numberDiff line change
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--TEST--
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NAN coerced to other types
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--FILE--
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<?php
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$inputs = [
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0,
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null,
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false,
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true,
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"",
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[],
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NAN,
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];
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$nan = fdiv(0, 0);
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var_dump($nan);
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foreach ($inputs as $right) {
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echo 'Using ';
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var_export($right);
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echo ' as right op', PHP_EOL;
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var_dump($nan == $right);
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var_dump($nan != $right);
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var_dump($nan === $right);
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var_dump($nan !== $right);
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var_dump($nan < $right);
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var_dump($nan <= $right);
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var_dump($nan > $right);
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var_dump($nan >= $right);
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var_dump($nan <=> $right);
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}
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?>
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--EXPECT--
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float(NAN)
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Using 0 as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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int(1)
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Using NULL as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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int(1)
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Using false as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(true)
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int(1)
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Using true as right op
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bool(true)
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bool(false)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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int(0)
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Using '' as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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int(1)
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Using array (
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) as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(true)
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bool(true)
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bool(false)
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bool(false)
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int(-1)
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Using NAN as right op
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bool(false)
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bool(true)
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bool(false)
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bool(true)
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bool(false)
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bool(false)
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bool(false)
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bool(false)
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int(1)
Lines changed: 71 additions & 0 deletions
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--TEST--
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NAN coerced to other types
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--FILE--
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<?php
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$nan = fdiv(0, 0);
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var_dump($nan);
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function implicit_to_bool(bool $v) {
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var_dump($v);
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}
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function implicit_to_string(string $v) {
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var_dump($v);
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}
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implicit_to_bool($nan);
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implicit_to_string($nan);
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var_dump((int) $nan);
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var_dump((bool) $nan);
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var_dump((string) $nan);
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var_dump((array) $nan);
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var_dump((object) $nan);
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$types = [
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'null',
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'bool',
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'int',
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'string',
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'array',
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'object',
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];
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foreach ($types as $type) {
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$nan = fdiv(0, 0);
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settype($nan, $type);
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var_dump($nan);
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}
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?>
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--EXPECTF--
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float(NAN)
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bool(true)
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string(3) "NAN"
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Warning: The float NAN is not representable as an int, cast occurred in %s on line %d
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int(0)
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bool(true)
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string(3) "NAN"
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array(1) {
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[0]=>
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float(NAN)
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}
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object(stdClass)#%d (1) {
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["scalar"]=>
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float(NAN)
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}
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NULL
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bool(true)
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Warning: The float NAN is not representable as an int, cast occurred in %s on line %d
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int(0)
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string(3) "NAN"
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array(1) {
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[0]=>
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float(NAN)
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}
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object(stdClass)#%d (1) {
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["scalar"]=>
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float(NAN)
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}
Lines changed: 15 additions & 0 deletions
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--TEST--
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Const NAN with bool cast should emit 1 warning
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--INI--
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opcache.enable=1
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opcache.enable_cli=1
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opcache.file_update_protection=0
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--EXTENSIONS--
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opcache
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--FILE--
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<?php
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echo (bool)NAN;
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?>
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--EXPECTF--
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Warning: unexpected NAN value was coerced to bool in %s on line 2
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