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https://github.com/tesseract-ocr/tesseract.git
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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
// (C) Copyright 2017, Google Inc.
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <memory>
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#include "absl/strings/str_split.h"
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#include "fileio.h"
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#include "include_gunit.h"
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namespace tesseract {
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TEST(FileTest, JoinPath) {
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EXPECT_EQ("/abc/def", File::JoinPath("/abc", "def"));
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EXPECT_EQ("/abc/def", File::JoinPath("/abc/", "def"));
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EXPECT_EQ("def", File::JoinPath("", "def"));
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}
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TEST(OutputBufferTest, WriteString) {
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const int kMaxBufSize = 128;
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char buffer[kMaxBufSize];
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for (int i = 0; i < kMaxBufSize; ++i)
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buffer[i] = '\0';
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FILE *fp = tmpfile();
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CHECK(fp != nullptr);
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auto output = std::make_unique<OutputBuffer>(fp);
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output->WriteString("Hello ");
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output->WriteString("world!");
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rewind(fp);
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auto s = "Hello world!";
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fread(buffer, strlen(s), 1, fp);
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EXPECT_STREQ(s, buffer);
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}
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TEST(InputBufferTest, Read) {
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const int kMaxBufSize = 128;
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char buffer[kMaxBufSize];
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auto s = "Hello\n world!";
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strncpy(buffer, s, kMaxBufSize);
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EXPECT_STREQ(s, buffer);
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FILE *fp = tmpfile();
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CHECK(fp != nullptr);
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fwrite(buffer, strlen(s), 1, fp);
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rewind(fp);
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std::string str;
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auto input = std::make_unique<InputBuffer>(fp);
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EXPECT_TRUE(input->Read(&str));
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std::vector<std::string> lines = absl::StrSplit(str, '\n', absl::SkipEmpty());
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EXPECT_EQ(2, lines.size());
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EXPECT_EQ("Hello", lines[0]);
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EXPECT_EQ(" world!", lines[1]);
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}
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} // namespace tesseract
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