8 calls to FileTestBase::assertDifferentFile()

CopyTest::testExistingError in drupal/core/modules/file/lib/Drupal/file/Tests/CopyTest.php
Test that copying over an existing file fails when FILE_EXISTS_ERROR is specified.
CopyTest::testExistingRename in drupal/core/modules/file/lib/Drupal/file/Tests/CopyTest.php
Test renaming when copying over a file that already exists.
CopyTest::testExistingReplace in drupal/core/modules/file/lib/Drupal/file/Tests/CopyTest.php
Test replacement when copying over a file that already exists.
CopyTest::testNormal in drupal/core/modules/file/lib/Drupal/file/Tests/CopyTest.php
Test file copying in the normal, base case.
MoveTest::testExistingError in drupal/core/modules/file/lib/Drupal/file/Tests/MoveTest.php
Test that moving onto an existing file fails when FILE_EXISTS_ERROR is specified.
MoveTest::testExistingRename in drupal/core/modules/file/lib/Drupal/file/Tests/MoveTest.php
Test renaming when moving onto a file that already exists.
MoveTest::testExistingReplace in drupal/core/modules/file/lib/Drupal/file/Tests/MoveTest.php
Test replacement when moving onto a file that already exists.
SaveDataTest::testExistingRename in drupal/core/modules/file/lib/Drupal/file/Tests/SaveDataTest.php
Test file_save_data() when renaming around an existing file.