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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 "ppapi/tests/test_char_set.h"
#include "ppapi/c/dev/ppb_char_set_dev.h"
#include "ppapi/cpp/dev/memory_dev.h"
#include "ppapi/cpp/module.h"
#include "ppapi/tests/testing_instance.h"
REGISTER_TEST_CASE(CharSet);
TestCharSet::TestCharSet(TestingInstance* instance)
: TestCase(instance),
char_set_interface_(NULL) {
}
bool TestCharSet::Init() {
char_set_interface_ = static_cast<PPB_CharSet_Dev const*>(
pp::Module::Get()->GetBrowserInterface(PPB_CHAR_SET_DEV_INTERFACE));
return !!char_set_interface_;
}
void TestCharSet::RunTest() {
RUN_TEST(UTF16ToCharSet);
RUN_TEST(CharSetToUTF16);
RUN_TEST(GetDefaultCharSet);
}
std::string TestCharSet::TestUTF16ToCharSet() {
// Empty string.
std::vector<uint16_t> utf16;
utf16.push_back(0);
uint32_t utf8result_len = 0;
pp::Memory_Dev memory;
char* utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], 0, "latin1",
PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf8result_len);
ASSERT_TRUE(utf8result);
ASSERT_TRUE(utf8result[0] == 0);
ASSERT_TRUE(utf8result_len == 0);
memory.MemFree(utf8result);
// Try round-tripping some English & Chinese from UTF-8 through UTF-16
std::string utf8source("Hello, world. \xe4\xbd\xa0\xe5\xa5\xbd");
utf16 = UTF8ToUTF16(utf8source);
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"Utf-8", PP_CHARSET_CONVERSIONERROR_FAIL, &utf8result_len);
ASSERT_TRUE(utf8source == std::string(utf8result, utf8result_len));
memory.MemFree(utf8result);
// Test an un-encodable character with various modes.
utf16 = UTF8ToUTF16("h\xe4\xbd\xa0i");
// Fail mode.
utf8result_len = 1234; // Test that this gets 0'ed on failure.
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_CONVERSIONERROR_FAIL, &utf8result_len);
ASSERT_TRUE(utf8result_len == 0);
ASSERT_TRUE(utf8result == NULL);
// Skip mode.
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_CONVERSIONERROR_SKIP, &utf8result_len);
ASSERT_TRUE(utf8result_len == 2);
ASSERT_TRUE(utf8result[0] == 'h' && utf8result[1] == 'i' &&
utf8result[2] == 0);
memory.MemFree(utf8result);
// Substitute mode.
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf8result_len);
ASSERT_TRUE(utf8result_len == 3);
ASSERT_TRUE(utf8result[0] == 'h' && utf8result[1] == '?' &&
utf8result[2] == 'i' && utf8result[3] == 0);
memory.MemFree(utf8result);
// Try some invalid input encoding.
utf16.clear();
utf16.push_back(0xD800); // High surrogate.
utf16.push_back('A'); // Not a low surrogate.
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf8result_len);
ASSERT_TRUE(utf8result_len == 2);
ASSERT_TRUE(utf8result[0] == '?' && utf8result[1] == 'A' &&
utf8result[2] == 0);
memory.MemFree(utf8result);
// Invalid encoding name.
utf8result = char_set_interface_->UTF16ToCharSet(
instance_->pp_instance(), &utf16[0], static_cast<uint32_t>(utf16.size()),
"poopiepants", PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf8result_len);
ASSERT_TRUE(!utf8result);
ASSERT_TRUE(utf8result_len == 0);
PASS();
}
std::string TestCharSet::TestCharSetToUTF16() {
// Empty string.
uint32_t utf16result_len;
uint16_t* utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), "", 0, "latin1",
PP_CHARSET_CONVERSIONERROR_FAIL, &utf16result_len);
ASSERT_TRUE(utf16result);
ASSERT_TRUE(utf16result_len == 0);
ASSERT_TRUE(utf16result[0] == 0);
// Basic Latin1.
char latin1[] = "H\xef";
utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), latin1, 2, "latin1",
PP_CHARSET_CONVERSIONERROR_FAIL, &utf16result_len);
ASSERT_TRUE(utf16result);
ASSERT_TRUE(utf16result_len == 2);
ASSERT_TRUE(utf16result[0] == 'H' && utf16result[1] == 0xef &&
utf16result[2] == 0);
// Invalid input encoding with FAIL.
char badutf8[] = "A\xe4Z";
utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), badutf8, 3, "utf8",
PP_CHARSET_CONVERSIONERROR_FAIL, &utf16result_len);
ASSERT_TRUE(!utf16result);
ASSERT_TRUE(utf16result_len == 0);
// Invalid input with SKIP.
utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), badutf8, 3, "utf8",
PP_CHARSET_CONVERSIONERROR_SKIP, &utf16result_len);
ASSERT_TRUE(utf16result);
ASSERT_TRUE(utf16result_len == 2);
ASSERT_TRUE(utf16result[0] == 'A' && utf16result[1] == 'Z' &&
utf16result[2] == 0);
// Invalid input with SUBSTITUTE.
utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), badutf8, 3, "utf8",
PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf16result_len);
ASSERT_TRUE(utf16result);
ASSERT_TRUE(utf16result_len == 3);
ASSERT_TRUE(utf16result[0] == 'A' && utf16result[1] == 0xFFFD &&
utf16result[2] == 'Z' && utf16result[3] == 0);
// Invalid encoding name.
utf16result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), badutf8, 3, "poopiepants",
PP_CHARSET_CONVERSIONERROR_SUBSTITUTE, &utf16result_len);
ASSERT_TRUE(!utf16result);
ASSERT_TRUE(utf16result_len == 0);
PASS();
}
std::string TestCharSet::TestGetDefaultCharSet() {
// Test invalid instance.
pp::Var result(pp::Var::PassRef(), char_set_interface_->GetDefaultCharSet(0));
ASSERT_TRUE(result.is_undefined());
// Just make sure the default char set is a nonempty string.
result = pp::Var(pp::Var::PassRef(),
char_set_interface_->GetDefaultCharSet(instance_->pp_instance()));
ASSERT_TRUE(result.is_string());
ASSERT_FALSE(result.AsString().empty());
PASS();
}
std::vector<uint16_t> TestCharSet::UTF8ToUTF16(const std::string& utf8) {
uint32_t result_len = 0;
uint16_t* result = char_set_interface_->CharSetToUTF16(
instance_->pp_instance(), utf8.c_str(),
static_cast<uint32_t>(utf8.size()),
"utf-8", PP_CHARSET_CONVERSIONERROR_FAIL, &result_len);
std::vector<uint16_t> result_vector;
if (!result)
return result_vector;
result_vector.assign(result, &result[result_len]);
pp::Memory_Dev memory;
memory.MemFree(result);
return result_vector;
}
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