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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "ppapi/tests/test_char_set.h"
#include "ppapi/c/dev/ppb_char_set_dev.h"
#include "ppapi/c/trusted/ppb_char_set_trusted.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<const PPB_CharSet_Dev*>(
pp::Module::Get()->GetBrowserInterface(PPB_CHAR_SET_DEV_INTERFACE));
char_set_trusted_interface_ = static_cast<const PPB_CharSet_Trusted*>(
pp::Module::Get()->GetBrowserInterface(PPB_CHARSET_TRUSTED_INTERFACE));
return char_set_interface_ && char_set_trusted_interface_;
}
void TestCharSet::RunTests(const std::string& filter) {
RUN_TEST(UTF16ToCharSetDeprecated, filter);
RUN_TEST(UTF16ToCharSet, filter);
RUN_TEST(CharSetToUTF16Deprecated, filter);
RUN_TEST(CharSetToUTF16, filter);
RUN_TEST(GetDefaultCharSet, filter);
}
// TODO(brettw) remove this when the old interface is removed.
std::string TestCharSet::TestUTF16ToCharSetDeprecated() {
// 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::TestUTF16ToCharSet() {
// Empty string.
std::vector<uint16_t> utf16;
utf16.push_back(0);
std::string output_buffer;
output_buffer.resize(1);
uint32_t utf8result_len = 0;
PP_Bool result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], 0, "latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 0);
// No output buffer returns length of string.
utf16 = UTF8ToUTF16("hello");
utf8result_len = 0;
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()), "latin1",
PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE, NULL, &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 5);
// Giving too small of a buffer just fills in that many items and gives us
// the desired size.
output_buffer.resize(100);
utf8result_len = 2;
output_buffer[utf8result_len] = '$'; // Barrier character.
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()), "latin1",
PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 5);
ASSERT_TRUE(output_buffer[0] == 'h' && output_buffer[1] == 'e' &&
output_buffer[2] == '$');
// 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);
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"Utf-8", PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
output_buffer.resize(utf8result_len);
ASSERT_TRUE(utf8source == output_buffer);
// Test an un-encodable character with various modes.
utf16 = UTF8ToUTF16("h\xe4\xbd\xa0i");
// Fail mode, size should get 0'ed on failure.
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_FALSE);
ASSERT_TRUE(utf8result_len == 0);
// Skip mode.
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_SKIP,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 2);
ASSERT_TRUE(output_buffer[0] == 'h' && output_buffer[1] == 'i');
// Substitute mode.
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 3);
output_buffer.resize(utf8result_len);
ASSERT_TRUE(output_buffer == "h?i");
// Try some invalid input encoding.
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
utf16.clear();
utf16.push_back(0xD800); // High surrogate.
utf16.push_back('A'); // Not a low surrogate.
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_TRUE);
ASSERT_TRUE(utf8result_len == 2);
ASSERT_TRUE(output_buffer[0] == '?' && output_buffer[1] == 'A');
// Invalid encoding name.
output_buffer.resize(100);
utf8result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->UTF16ToCharSet(
&utf16[0], static_cast<uint32_t>(utf16.size()),
"poopiepants", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf8result_len);
ASSERT_TRUE(result == PP_FALSE);
ASSERT_TRUE(utf8result_len == 0);
PASS();
}
// TODO(brettw) remove this when the old interface is removed.
std::string TestCharSet::TestCharSetToUTF16Deprecated() {
pp::Memory_Dev memory;
// 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);
memory.MemFree(utf16result);
// 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);
memory.MemFree(utf16result);
// 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);
memory.MemFree(utf16result);
// 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);
memory.MemFree(utf16result);
// 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);
memory.MemFree(utf16result);
// 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);
memory.MemFree(utf16result);
PASS();
}
std::string TestCharSet::TestCharSetToUTF16() {
std::vector<uint16_t> output_buffer;
output_buffer.resize(100);
// Empty string.
output_buffer.resize(100);
uint32_t utf16result_len = static_cast<uint32_t>(output_buffer.size());
PP_Bool result = char_set_trusted_interface_->CharSetToUTF16(
"", 0, "latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(result);
ASSERT_TRUE(utf16result_len == 0);
ASSERT_TRUE(output_buffer[0] == 0);
// Basic Latin1.
output_buffer.resize(100);
utf16result_len = static_cast<uint32_t>(output_buffer.size());
char latin1[] = "H\xef";
result = char_set_trusted_interface_->CharSetToUTF16(
latin1, 2, "latin1", PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(result);
ASSERT_TRUE(utf16result_len == 2);
ASSERT_TRUE(output_buffer[0] == 'H' && output_buffer[1] == 0xef);
// Invalid input encoding with FAIL.
output_buffer.resize(100);
utf16result_len = static_cast<uint32_t>(output_buffer.size());
char badutf8[] = "A\xe4Z";
result = char_set_trusted_interface_->CharSetToUTF16(
badutf8, 3, "utf8", PP_CHARSET_TRUSTED_CONVERSIONERROR_FAIL,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(!result);
ASSERT_TRUE(utf16result_len == 0);
// Invalid input with SKIP.
output_buffer.resize(100);
utf16result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->CharSetToUTF16(
badutf8, 3, "utf8", PP_CHARSET_TRUSTED_CONVERSIONERROR_SKIP,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(result);
ASSERT_TRUE(utf16result_len == 2);
ASSERT_TRUE(output_buffer[0] == 'A' && output_buffer[1] == 'Z');
// Invalid input with SUBSTITUTE.
output_buffer.resize(100);
utf16result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->CharSetToUTF16(
badutf8, 3, "utf8", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(result);
ASSERT_TRUE(utf16result_len == 3);
ASSERT_TRUE(output_buffer[0] == 'A' && output_buffer[1] == 0xFFFD &&
output_buffer[2] == 'Z');
// Invalid encoding name.
output_buffer.resize(100);
utf16result_len = static_cast<uint32_t>(output_buffer.size());
result = char_set_trusted_interface_->CharSetToUTF16(
badutf8, 3, "poopiepants", PP_CHARSET_TRUSTED_CONVERSIONERROR_SUBSTITUTE,
&output_buffer[0], &utf16result_len);
ASSERT_TRUE(!result);
ASSERT_TRUE(utf16result_len == 0);
PASS();
}
std::string TestCharSet::TestGetDefaultCharSet() {
// Test invalid instance.
pp::Var result(pp::PASS_REF, 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::PASS_REF,
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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