// Copyright (c) 2015 The Khronos Group Inc.
//
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// permit persons to whom the Materials are furnished to do so, subject to
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//
// The above copyright notice and this permission notice shall be included
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
//    https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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#include "UnitSPIRV.h"

namespace {

TEST(TextAdvance, LeadingNewLines) {
  char textStr[] = "\n\nWord";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_SUCCESS, spvTextAdvance(&text, &position));
  ASSERT_EQ(0, position.column);
  ASSERT_EQ(2, position.line);
  ASSERT_EQ(2, position.index);
}

TEST(TextAdvance, LeadingSpaces) {
  char textStr[] = "    Word";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_SUCCESS, spvTextAdvance(&text, &position));
  ASSERT_EQ(4, position.column);
  ASSERT_EQ(0, position.line);
  ASSERT_EQ(4, position.index);
}

TEST(TextAdvance, LeadingTabs) {
  char textStr[] = "\t\t\tWord";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_SUCCESS, spvTextAdvance(&text, &position));
  ASSERT_EQ(3, position.column);
  ASSERT_EQ(0, position.line);
  ASSERT_EQ(3, position.index);
}

TEST(TextAdvance, LeadingNewLinesSpacesAndTabs) {
  char textStr[] = "\n\n\t  Word";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_SUCCESS, spvTextAdvance(&text, &position));
  ASSERT_EQ(3, position.column);
  ASSERT_EQ(2, position.line);
  ASSERT_EQ(5, position.index);
}

TEST(TextAdvance, LeadingWhitespaceAfterCommentLine) {
  char textStr[] = "; comment\n \t \tWord";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_SUCCESS, spvTextAdvance(&text, &position));
  ASSERT_EQ(4, position.column);
  ASSERT_EQ(1, position.line);
  ASSERT_EQ(14, position.index);
}

TEST(TextAdvance, EOFAfterCommentLine) {
  char textStr[] = "; comment";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_END_OF_STREAM, spvTextAdvance(&text, &position));
}

TEST(TextAdvance, NullTerminator) {
  char textStr[] = "";
  spv_text_t text = {textStr, strlen(textStr)};
  spv_position_t position = {};
  ASSERT_EQ(SPV_END_OF_STREAM, spvTextAdvance(&text, &position));
}

}  // anonymous namespace