add test for bug #70700 (LOB read loop ends early for multibyte strings)

ext/oci8/tests/bug70700.phpt

@@ -0,0 +1,183 @@
+--TEST--
+Tests for LOBs with multibyte strings, reading them out in chunks
+(Doc Bug #70700)
+--CREDITS--
+Chuck Burgess
+[email protected]
+--SKIPIF--
+<?php
+if (!extension_loaded('mbstring')) die('skip mbstring is not enabled');
+$target_dbs = array('oracledb' => true, 'timesten' => false);  // test runs on these DBs
+require(dirname(__FILE__).'/skipif.inc');
+?> 
+--ENV--
+NLS_LANG=.AL32UTF8
+--FILE--
+<?php
+require(dirname(__FILE__).'/connect.inc');
+
+
+$stmt = oci_parse($c, 'DROP TABLE oci8_bug70700');
+@oci_execute($stmt);
+oci_free_statement($stmt);
+$stmt = oci_parse($c, 'CREATE TABLE oci8_bug70700 (id NUMBER, data CLOB)');
+oci_execute($stmt);
+oci_free_statement($stmt);
+
+
+$id = null;
+$insert = oci_parse($c, 'INSERT INTO oci8_bug70700 (id, data) VALUES (:id, :data)');
+oci_bind_by_name($insert, ':id', $id);
+$select = oci_parse($c, "SELECT data FROM oci8_bug70700 WHERE id = :id");
+oci_bind_by_name($select, ':id', $id);
+
+
+echo PHP_EOL, 'Test 1: j', PHP_EOL;
+$string1 = 'abc' . str_repeat('j', 1000000) . 'xyz';
+$id = 1;
+$desc = oci_new_descriptor($c, OCI_D_LOB);
+oci_bind_by_name($insert, ':data', $desc, -1, OCI_B_CLOB);
+$desc->writeTemporary($string1, OCI_TEMP_CLOB);
+oci_execute($insert);
+$desc->save($string1);
+oci_commit($c);
+$desc->close();
+oci_bind_by_name($select, ':id', $id);
+oci_execute($select);
+$row = oci_fetch_array($select, OCI_ASSOC);
+$lob = $row['DATA'];
+$fh = fopen('php://temp', 'rw');
+while (! $lob->eof()) {
+    $data = $lob->read(8192);             // read($characters), not read($bytes)
+    fwrite($fh, $data, strlen($data));    // fwrite(a, b, $bytes)
+}
+$lob->free();
+rewind($fh);
+$stream1a = stream_get_contents($fh);
+fclose($fh);
+$start1a = mb_substr($stream1a, 0, 10);
+$ending1a = mb_substr($stream1a, -10);
+echo 'size of string1 is ', strlen($string1), ' bytes, ', mb_strlen($string1), ' chars.', PHP_EOL;
+echo 'size of stream1a is ', strlen($stream1a), ' bytes, ', mb_strlen($stream1a), ' chars.', PHP_EOL;
+echo 'beg of stream1a is ', $start1a, PHP_EOL;
+echo 'end of stream1a is ', $ending1a, PHP_EOL;
+
+
+echo PHP_EOL, 'Test 2: £', PHP_EOL;
+$string2 = 'abc' . str_repeat('£', 4094) . 'xyz';
+$id = 2;
+$desc = oci_new_descriptor($c, OCI_D_LOB);
+oci_bind_by_name($insert, ':data', $desc, -1, OCI_B_CLOB);
+$desc->writeTemporary($string2, OCI_TEMP_CLOB);
+oci_execute($insert);
+$desc->save($string2);
+oci_commit($c);
+$desc->close();
+oci_bind_by_name($select, ':id', $id);
+oci_execute($select);
+$row = oci_fetch_array($select, OCI_ASSOC);
+$lob = $row['DATA'];
+$fh = fopen('php://temp', 'rw');
+while (! $lob->eof()) {
+    $data = $lob->read(8192);             // read($characters), not read($bytes)
+    fwrite($fh, $data, strlen($data));    // fwrite(a, b, $bytes)
+}
+$lob->free();
+rewind($fh);
+$stream2a = stream_get_contents($fh);
+fclose($fh);
+$start2a = mb_substr($stream2a, 0, 10);
+$ending2a = mb_substr($stream2a, -10);
+echo 'size of string2 is ', strlen($string2), ' bytes, ', mb_strlen($string2), ' chars.', PHP_EOL;
+echo 'size of stream2a is ', strlen($stream2a), ' bytes, ', mb_strlen($stream2a), ' chars.', PHP_EOL;
+echo 'beg of stream2a is ', $start2a, PHP_EOL;
+echo 'end of stream2a is ', $ending2a, PHP_EOL;
+
+
+echo PHP_EOL, 'Test 3: Җ', PHP_EOL;
+$string3 = 'abc' . str_repeat('Җ', 4094) . 'xyz';
+$id = 3;
+$desc = oci_new_descriptor($c, OCI_D_LOB);
+oci_bind_by_name($insert, ':data', $desc, -1, OCI_B_CLOB);
+$desc->writeTemporary($string3, OCI_TEMP_CLOB);
+oci_execute($insert);
+$desc->save($string3);
+oci_commit($c);
+$desc->close();
+oci_bind_by_name($select, ':id', $id);
+oci_execute($select);
+$row = oci_fetch_array($select, OCI_ASSOC);
+$lob = $row['DATA'];
+$fh = fopen('php://temp', 'rw');
+while (! $lob->eof()) {
+    $data = $lob->read(8192);             // read($characters), not read($bytes)
+    fwrite($fh, $data, strlen($data));    // fwrite(a, b, $bytes)
+}
+$lob->free();
+rewind($fh);
+$stream3a = stream_get_contents($fh);
+fclose($fh);
+$start3a = mb_substr($stream3a, 0, 10);
+$ending3a = mb_substr($stream3a, -10);
+echo 'size of string3 is ', strlen($string3), ' bytes, ', mb_strlen($string3), ' chars.', PHP_EOL;
+echo 'size of stream3a is ', strlen($stream3a), ' bytes, ', mb_strlen($stream3a), ' chars.', PHP_EOL;
+echo 'beg of stream3a is ', $start3a, PHP_EOL;
+echo 'end of stream3a is ', $ending3a, PHP_EOL;
+
+
+echo PHP_EOL, 'Test 4: の', PHP_EOL;
+$string4 = 'abc' . str_repeat('の', 2729) . 'xyz';
+$id = 4;
+$desc = oci_new_descriptor($c, OCI_D_LOB);
+oci_bind_by_name($insert, ':data', $desc, -1, OCI_B_CLOB);
+$desc->writeTemporary($string4, OCI_TEMP_CLOB);
+oci_execute($insert);
+$desc->save($string4);
+oci_commit($c);
+$desc->close();
+oci_bind_by_name($select, ':id', $id);
+oci_execute($select);
+$row = oci_fetch_array($select, OCI_ASSOC);
+$lob = $row['DATA'];
+$fh = fopen('php://temp', 'rw');
+while (! $lob->eof()) {
+    $data = $lob->read(8192);             // read($characters), not read($bytes)
+    fwrite($fh, $data, strlen($data));    // fwrite(a, b, $bytes)
+}
+$lob->free();
+rewind($fh);
+$stream4a = stream_get_contents($fh);
+fclose($fh);
+$start4a = mb_substr($stream4a, 0, 10);
+$ending4a = mb_substr($stream4a, -10);
+echo 'size of string4 is ', strlen($string4), ' bytes, ', mb_strlen($string4), ' chars.', PHP_EOL;
+echo 'size of stream4a is ', strlen($stream4a), ' bytes, ', mb_strlen($stream4a), ' chars.', PHP_EOL;
+echo 'beg of stream4a is ', $start4a, PHP_EOL;
+echo 'end of stream4a is ', $ending4a, PHP_EOL;
+
+--EXPECTF--
+
+Test 1: j
+size of string1 is 1000006 bytes, 1000006 chars.
+size of stream1a is 1000006 bytes, 1000006 chars.
+beg of stream1a is abcjjjjjjj
+end of stream1a is jjjjjjjxyz
+
+Test 2: £
+size of string2 is 8194 bytes, 4100 chars.
+size of stream2a is 8194 bytes, 4100 chars.
+beg of stream2a is abc£££££££
+end of stream2a is £££££££xyz
+
+Test 3: Җ
+size of string3 is 8194 bytes, 4100 chars.
+size of stream3a is 8194 bytes, 4100 chars.
+beg of stream3a is abcҖҖҖҖҖҖҖ
+end of stream3a is ҖҖҖҖҖҖҖxyz
+
+Test 4: の
+size of string4 is 8193 bytes, 2735 chars.
+size of stream4a is 8193 bytes, 2735 chars.
+beg of stream4a is abcののののののの
+end of stream4a is のののののののxyz
+