Home | History | Annotate | Download | only in test
      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "sql/test/scoped_error_ignorer.h"
      6 
      7 #include "base/bind.h"
      8 #include "testing/gtest/include/gtest/gtest.h"
      9 
     10 namespace sql {
     11 
     12 ScopedErrorIgnorer::ScopedErrorIgnorer()
     13     : checked_(false) {
     14   callback_ =
     15       base::Bind(&ScopedErrorIgnorer::ShouldIgnore, base::Unretained(this));
     16   Connection::SetErrorIgnorer(&callback_);
     17 }
     18 
     19 ScopedErrorIgnorer::~ScopedErrorIgnorer() {
     20   EXPECT_TRUE(checked_) << " Test must call CheckIgnoredErrors()";
     21   Connection::ResetErrorIgnorer();
     22 }
     23 
     24 void ScopedErrorIgnorer::IgnoreError(int err) {
     25   EXPECT_EQ(0u, ignore_errors_.count(err))
     26       << " Error " << err << " is already ignored";
     27   ignore_errors_.insert(err);
     28 }
     29 
     30 bool ScopedErrorIgnorer::CheckIgnoredErrors() {
     31   checked_ = true;
     32   return errors_ignored_ == ignore_errors_;
     33 }
     34 
     35 bool ScopedErrorIgnorer::ShouldIgnore(int err) {
     36   // Look for extended code.
     37   if (ignore_errors_.count(err) > 0) {
     38     // Record that the error was seen and ignore it.
     39     errors_ignored_.insert(err);
     40     return true;
     41   }
     42 
     43   // Trim extended codes and check again.
     44   int base_err = err & 0xff;
     45   if (ignore_errors_.count(base_err) > 0) {
     46     // Record that the error was seen and ignore it.
     47     errors_ignored_.insert(base_err);
     48     return true;
     49   }
     50 
     51   // Unexpected error.
     52   ADD_FAILURE() << " Unexpected SQLite error " << err;
     53 
     54   // TODO(shess): If it never makes sense to pass through an error
     55   // under the test harness, then perhaps the ignore callback
     56   // signature should be changed.
     57   return true;
     58 }
     59 
     60 }  // namespace sql
     61