kc3-lang/angle/tests/preprocessor_tests/input_test.cpp

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• Hash : a1851e8f
  Author :
  Date : 2014-07-10T17:09:12
  

  Fixes for re-enabling more MSVC level 4 warnings: angle/ edition
  
  This contains fixes for the following sorts of issues:
  * Signedness mismatch
  
  BUG=81439
  TEST=none
  
  Change-Id: Ief116d4b79b63479641259119246bb1465bbfd1f
  Reviewed-on: https://chromium-review.googlesource.com/207418
  Reviewed-by: Alok Priyadarshi <alokp@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• tests/preprocessor_tests/input_test.cpp

• //
  // Copyright (c) 2012 The ANGLE Project 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 "PreprocessorTest.h"
  #include "Input.h"
  #include "Token.h"
  
  class InitTest : public PreprocessorTest
  {
  };
  
  TEST_F(InitTest, ZeroCount)
  {
      EXPECT_TRUE(mPreprocessor.init(0, NULL, NULL));
  
      pp::Token token;
      mPreprocessor.lex(&token);
      EXPECT_EQ(pp::Token::LAST, token.type);
  }
  
  TEST_F(InitTest, NullString)
  {
      EXPECT_FALSE(mPreprocessor.init(1, NULL, NULL));
  }
  
  TEST(InputTest, DefaultConstructor)
  {
      pp::Input input;
      EXPECT_EQ(0u, input.count());
      EXPECT_EQ(0u, input.read(NULL, 1));
  }
  
  TEST(InputTest, NullLength)
  {
      const char* str[] = {"foo"};
      pp::Input input(1, str, NULL);
      EXPECT_EQ(3u, input.length(0));
  }
  
  TEST(InputTest, NegativeLength)
  {
      const char* str[] = {"foo"};
      int length[] = {-1};
      pp::Input input(1, str, length);
      EXPECT_EQ(3u, input.length(0));
  }
  
  TEST(InputTest, ActualLength)
  {
      const char* str[] = {"foobar"};
      int length[] = {3};
      pp::Input input(1, str, length);
      // Note that strlen(str[0]) != length[0].
      // Even then Input should just accept any non-negative number.
      EXPECT_EQ(static_cast<size_t>(length[0]), input.length(0));
  }
  
  TEST(InputTest, String)
  {
      const char* str[] = {"foo"};
      pp::Input input(1, str, NULL);
      EXPECT_STREQ(str[0], input.string(0));
  }
  
  TEST(InputTest, ReadSingleString)
  {
      int count = 1;
      const char* str[] = {"foo"};
      char buf[4] = {'\0', '\0', '\0', '\0'};
  
      int maxSize = 1;
      pp::Input input1(count, str, NULL);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('f', buf[0]);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(0u, input1.read(buf, maxSize));
  
      maxSize = 2;
      pp::Input input2(count, str, NULL);
      EXPECT_EQ(2u, input2.read(buf, maxSize));
      EXPECT_STREQ("fo", buf);
      EXPECT_EQ(1u, input2.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(0u, input2.read(buf, maxSize));
  
      maxSize = 3;
      pp::Input input3(count, str, NULL);
      EXPECT_EQ(3u, input3.read(buf, maxSize));
      EXPECT_STREQ("foo", buf);
      EXPECT_EQ(0u, input3.read(buf, maxSize));
  
      maxSize = 4;
      pp::Input input4(count, str, NULL);
      EXPECT_EQ(3u, input4.read(buf, maxSize));
      EXPECT_STREQ("foo", buf);
      EXPECT_EQ(0u, input4.read(buf, maxSize));
  }
  
  TEST(InputTest, ReadMultipleStrings)
  {
      int count = 3;
      const char* str[] = {"f", "o", "o"};
      char buf[4] = {'\0', '\0', '\0', '\0'};
  
      int maxSize = 1;
      pp::Input input1(count, str, NULL);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('f', buf[0]);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(1u, input1.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(0u, input1.read(buf, maxSize));
  
      maxSize = 2;
      pp::Input input2(count, str, NULL);
      EXPECT_EQ(2u, input2.read(buf, maxSize));
      EXPECT_STREQ("fo", buf);
      EXPECT_EQ(1u, input2.read(buf, maxSize));
      EXPECT_EQ('o', buf[0]);
      EXPECT_EQ(0u, input2.read(buf, maxSize));
  
      maxSize = 3;
      pp::Input input3(count, str, NULL);
      EXPECT_EQ(3u, input3.read(buf, maxSize));
      EXPECT_STREQ("foo", buf);
      EXPECT_EQ(0u, input3.read(buf, maxSize));
  
      maxSize = 4;
      pp::Input input4(count, str, NULL);
      EXPECT_EQ(3u, input4.read(buf, maxSize));
      EXPECT_STREQ("foo", buf);
      EXPECT_EQ(0u, input4.read(buf, maxSize));
  }
  
  TEST(InputTest, ReadStringsWithLength)
  {
      int count = 2;
      const char* str[] = {"foo", "bar"};
      // Note that the length for the first string is 2 which is less than
      // strlen(str[0]. We want to make sure that the last character is ignored.
      int length[] = {2, 3};
      char buf[6] = {'\0', '\0', '\0', '\0', '\0', '\0'};
      size_t maxSize = 5;
  
      pp::Input input(count, str, length);
      EXPECT_EQ(maxSize, input.read(buf, maxSize));
      EXPECT_STREQ("fobar", buf);
  }
  
  

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