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// Copyright 2011 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: jdtang@google.com (Jonathan Tang)
#include "string_buffer.h"
#include <stdlib.h>
#include <string.h>
#include "gtest/gtest.h"
#include "test_utils.h"
#include "util.h"
namespace {
#define INIT_GUMBO_STRING(varname, literal) \
GumboStringPiece varname = {literal, sizeof(literal) - 1}
class GumboStringBufferTest : public GumboTest {
protected:
GumboStringBufferTest() { gumbo_string_buffer_init(&buffer_); }
~GumboStringBufferTest() { gumbo_string_buffer_destroy(&buffer_); }
void NullTerminateBuffer() { buffer_.data[buffer_.length++] = 0; }
GumboStringBuffer buffer_;
};
TEST_F(GumboStringBufferTest, Reserve) {
gumbo_string_buffer_reserve(21, &buffer_);
EXPECT_EQ(40, buffer_.capacity);
strcpy(buffer_.data, "01234567890123456789");
buffer_.length = 20;
NullTerminateBuffer();
EXPECT_EQ(21, buffer_.length);
EXPECT_STREQ("01234567890123456789", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendString) {
INIT_GUMBO_STRING(str, "01234567");
gumbo_string_buffer_append_string(&str, &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("01234567", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendStringWithResize) {
INIT_GUMBO_STRING(str, "01234567");
gumbo_string_buffer_append_string(&str, &buffer_);
gumbo_string_buffer_append_string(&str, &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("0123456701234567", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendCodepoint_1Byte) {
gumbo_string_buffer_append_codepoint('a', &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("a", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendCodepoint_2Bytes) {
gumbo_string_buffer_append_codepoint(0xE5, &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("\xC3\xA5", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendCodepoint_3Bytes) {
gumbo_string_buffer_append_codepoint(0x39E7, &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("\xE3\xA7\xA7", buffer_.data);
}
TEST_F(GumboStringBufferTest, AppendCodepoint_4Bytes) {
gumbo_string_buffer_append_codepoint(0x679E7, &buffer_);
NullTerminateBuffer();
EXPECT_STREQ("\xF1\xA7\xA7\xA7", buffer_.data);
}
TEST_F(GumboStringBufferTest, ToString) {
gumbo_string_buffer_reserve(8, &buffer_);
strcpy(buffer_.data, "012345");
buffer_.length = 7;
char* dest = gumbo_string_buffer_to_string(&buffer_);
EXPECT_STREQ("012345", dest);
gumbo_free(dest);
}
} // namespace
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