Generate tests for string container and check output

Author: Girgias

Diff for: Zend/tests/offsets/dimension_var_array.inc

@@ -0,0 +1,201 @@
+--TEST--
+String containers behaviour with offsets
+--XFAIL--
+INF offset on string doesn't behave like other floats for isset()/empty()
+--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) "v"
+Read-Write:
+Cannot use assign-op operators with string offsets
+isset():
+bool(true)
+empty():
+bool(false)
+Coalesce():
+string(1) "v"
+
+OUTPUT;
+
+$EXPECTED_OUTPUT_VALID_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_VALID_OFFSETS) . '$/s';
+
+const EXPECTED_OUTPUT_STRING_CAST_OFFSETS = <<<OUTPUT
+Read before write:
+
+Warning: String offset cast occurred in %s on line 8
+
+Warning: Uninitialized string offset %d in %s on line 8
+string(0) ""
+Write:
+
+Warning: String offset cast occurred in %s on line 15
+Read:
+
+Warning: String offset cast occurred in %s on line 22
+string(1) "v"
+Read-Write:
+
+Warning: String offset cast occurred in %s on line 29
+Cannot use assign-op operators with string offsets
+isset():
+bool(true)
+empty():
+bool(false)
+Coalesce():
+string(1) "v"
+
+OUTPUT;
+
+$EXPECTED_OUTPUT_STRING_CAST_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_STRING_CAST_OFFSETS) . '$/s';
+
+const EXPECTF_OUTPUT_FLOAT_OFFSETS = <<<OUTPUT
+Read before write:
+
+Warning: String offset cast occurred in %s on line 8
+
+Warning: Uninitialized string offset %d in %s on line 8
+string(0) ""
+Write:
+
+Warning: String offset cast occurred in %s on line 15
+Read:
+
+Warning: String offset cast occurred in %s on line 22
+string(1) "v"
+Read-Write:
+
+Warning: String offset cast occurred in %s on line 29
+Cannot use assign-op operators with string offsets
+isset():
+
+Deprecated: Implicit conversion from float %F to int loses precision in %s on line 36
+bool(true)
+empty():
+
+Deprecated: Implicit conversion from float %F to int loses precision in %s on line 42
+bool(false)
+Coalesce():
+
+Deprecated: Implicit conversion from float %F to int loses precision in %s on line 48
+string(7) "vappend"
+
+OUTPUT;
+
+$EXPECTED_OUTPUT_FLOAT_OFFSETS_REGEX = '/^' . expectf_to_regex(EXPECTF_OUTPUT_FLOAT_OFFSETS) . '$/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)
+Coalesce():
+Cannot access offset of type %s on string
+
+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)
+Coalesce():
+string(7) "default"
+
+OUTPUT;
+
+const EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS = <<<OUTPUT
+Read before write:
+
+Warning: Illegal string offset %s in %s on line 8
+
+Warning: Uninitialized string offset %d in %s on line 8
+string(0) ""
+Write:
+
+Warning: Illegal string offset %s in %s on line 15
+Read:
+
+Warning: Illegal string offset %s in %s on line 22
+string(1) "v"
+Read-Write:
+
+Warning: Illegal string offset %s in %s on line 29
+Cannot use assign-op operators with string offsets
+isset():
+bool(false)
+empty():
+bool(true)
+Coalesce():
+
+Warning: Illegal string offset %s in %s on line 48
+string(1) "v"
+
+OUTPUT;
+
+$EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_REGEX = '/^' . expectf_to_regex(EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS) . '$/s';
+
+ob_start();
+foreach ($offsets as $dimension) {
+    $container = '';
+    $error = '""[' . makeOffset($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_STRING_CAST_OFFSETS_REGEX, $varOutput)
+        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_REGEX, $varOutput)
+        && !preg_match($EXPECTED_OUTPUT_FLOAT_OFFSETS_REGEX, $varOutput)
+        && $varOutput !== EXPECTED_OUTPUT_INVALID_OFFSETS_AS_STRINGS
+        && !preg_match($EXPECTED_OUTPUT_INVALID_OFFSETS_AS_LEADING_NUMERIC_STRINGS_REGEX, $varOutput)
+    ) {
+        //file_put_contents(__DIR__ . DIRECTORY_SEPARATOR . "debug_string_container_{$failuresNb}.txt", $varOutput);
+        ++$failuresNb;
+        $failures[] = $error;
+    }
+    ++$testCasesTotal;
+}
+ob_end_clean();
+
+echo "Executed $testCasesTotal tests\n";
+if ($failures !== []) {
+    echo "Failures:\n" . implode($failures);
+}
+
+?>
+--EXPECT--
+Executed 21 tests