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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include <vector>
#include "base/string_number_conversions.h"
#include "ppapi/c/pp_var.h"
#include "ppapi/c/ppb_var.h"
#include "ppapi/proxy/ppapi_proxy_test.h"
// TODO(dmichael): Make PPB_Var_Proxy and PluginResourceTracker thread-safe and
// add thread-safety tests here.
namespace {
std::string VarToString(const PP_Var& var, const PPB_Var* ppb_var) {
uint32_t len = 0;
const char* utf8 = ppb_var->VarToUtf8(var, &len);
return std::string(utf8, len);
}
} // namespace
namespace pp {
namespace proxy {
class PPB_VarTest : public PluginProxyTest {
public:
PPB_VarTest() {}
};
TEST_F(PPB_VarTest, Strings) {
const PPB_Var* ppb_var = static_cast<const PPB_Var*>(
plugin_dispatcher()->GetInterfaceFromDispatcher(PPB_VAR_INTERFACE));
// Make a vector of strings, where the value of test_strings[i] is "i".
const int kNumStrings = 5;
std::vector<std::string> test_strings(kNumStrings);
for (int i = 0; i < kNumStrings; ++i)
test_strings[i] = base::IntToString(i);
std::vector<PP_Var> vars(kNumStrings);
for (int i = 0; i < kNumStrings; ++i) {
vars[i] = ppb_var->VarFromUtf8(pp_module(),
test_strings[i].c_str(),
test_strings[i].length());
EXPECT_EQ(test_strings[i], VarToString(vars[i], ppb_var));
}
// At this point, they should each have a ref count of 1. Add some more.
const int kRefsToAdd = 3;
for (int ref = 0; ref < kRefsToAdd; ++ref) {
for (int i = 0; i < kNumStrings; ++i) {
ppb_var->AddRef(vars[i]);
// Make sure the string is still there with the right value.
EXPECT_EQ(test_strings[i], VarToString(vars[i], ppb_var));
}
}
for (int ref = 0; ref < kRefsToAdd; ++ref) {
for (int i = 0; i < kNumStrings; ++i) {
ppb_var->Release(vars[i]);
// Make sure the string is still there with the right value.
EXPECT_EQ(test_strings[i], VarToString(vars[i], ppb_var));
}
}
// Now remove the ref counts for each string and make sure they are gone.
for (int i = 0; i < kNumStrings; ++i) {
ppb_var->Release(vars[i]);
uint32_t len = 10;
const char* utf8 = ppb_var->VarToUtf8(vars[i], &len);
EXPECT_EQ(NULL, utf8);
EXPECT_EQ(0u, len);
}
}
} // namespace proxy
} // namespace pp
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