michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "gtest/gtest.h"
michael@0: 
michael@0: #include "gfxSkipChars.h"
michael@0: #include "mozilla/ArrayUtils.h"
michael@0: 
michael@0: static bool
michael@0: TestConstructor()
michael@0: {
michael@0:   gfxSkipChars skipChars;
michael@0: 
michael@0:   EXPECT_TRUE(skipChars.GetOriginalCharCount() == 0) <<
michael@0:     "[1] Make sure the gfxSkipChars was properly initialized with constructor";
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: static bool
michael@0: TestLength()
michael@0: {
michael@0:   gfxSkipChars skipChars;
michael@0: 
michael@0:   skipChars.KeepChars(100);
michael@0: 
michael@0:   EXPECT_TRUE(skipChars.GetOriginalCharCount() == 100) <<
michael@0:     "[1] Check length after keeping chars";
michael@0: 
michael@0:   skipChars.SkipChars(50);
michael@0: 
michael@0:   EXPECT_TRUE(skipChars.GetOriginalCharCount() == 150) <<
michael@0:     "[2] Check length after skipping chars";
michael@0: 
michael@0:   skipChars.SkipChars(50);
michael@0: 
michael@0:   EXPECT_TRUE(skipChars.GetOriginalCharCount() == 200) <<
michael@0:     "[3] Check length after skipping more chars";
michael@0: 
michael@0:   skipChars.KeepChar();
michael@0: 
michael@0:   EXPECT_TRUE(skipChars.GetOriginalCharCount() == 201) <<
michael@0:     "[4] Check length after keeping a final char";
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: static bool
michael@0: TestIterator()
michael@0: {
michael@0:   // Test a gfxSkipChars that starts with kept chars
michael@0:   gfxSkipChars skipChars1;
michael@0: 
michael@0:   skipChars1.KeepChars(9);
michael@0:   skipChars1.SkipChar();
michael@0:   skipChars1.KeepChars(9);
michael@0:   skipChars1.SkipChar();
michael@0:   skipChars1.KeepChars(9);
michael@0: 
michael@0:   EXPECT_TRUE(skipChars1.GetOriginalCharCount() == 29) <<
michael@0:     "[1] Check length";
michael@0: 
michael@0:   gfxSkipCharsIterator iter1(skipChars1);
michael@0: 
michael@0:   EXPECT_TRUE(iter1.GetOriginalOffset() == 0) <<
michael@0:     "[2] Check initial original offset";
michael@0:   EXPECT_TRUE(iter1.GetSkippedOffset() == 0) <<
michael@0:     "[3] Check initial skipped offset";
michael@0: 
michael@0:   uint32_t expectSkipped1[] =
michael@0:   {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9,
michael@0:      9, 10, 11, 12, 13, 14, 15, 16, 17, 18,
michael@0:     18, 19, 20, 21, 22, 23, 24, 25, 26, 27 };
michael@0: 
michael@0:   for (uint32_t i = 0; i < mozilla::ArrayLength(expectSkipped1); i++) {
michael@0:     EXPECT_TRUE(iter1.ConvertOriginalToSkipped(i) == expectSkipped1[i]) <<
michael@0:       "[4] Check mapping of original to skipped for " << i;
michael@0:   }
michael@0: 
michael@0:   uint32_t expectOriginal1[] =
michael@0:   {  0,  1,  2,  3,  4,  5,  6,  7,  8,
michael@0:     10, 11, 12, 13, 14, 15, 16, 17, 18,
michael@0:     20, 21, 22, 23, 24, 25, 26, 27, 28 };
michael@0: 
michael@0:   for (uint32_t i = 0; i < mozilla::ArrayLength(expectOriginal1); i++) {
michael@0:     EXPECT_TRUE(iter1.ConvertSkippedToOriginal(i) == expectOriginal1[i]) <<
michael@0:       "[5] Check mapping of skipped to original for " << i;
michael@0:   }
michael@0: 
michael@0:   // Test a gfxSkipChars that starts with skipped chars
michael@0:   gfxSkipChars skipChars2;
michael@0: 
michael@0:   skipChars2.SkipChars(9);
michael@0:   skipChars2.KeepChar();
michael@0:   skipChars2.SkipChars(9);
michael@0:   skipChars2.KeepChar();
michael@0:   skipChars2.SkipChars(9);
michael@0: 
michael@0:   EXPECT_TRUE(skipChars2.GetOriginalCharCount() == 29) <<
michael@0:     "[6] Check length";
michael@0: 
michael@0:   gfxSkipCharsIterator iter2(skipChars2);
michael@0: 
michael@0:   EXPECT_TRUE(iter2.GetOriginalOffset() == 0) <<
michael@0:     "[7] Check initial original offset";
michael@0:   EXPECT_TRUE(iter2.GetSkippedOffset() == 0) <<
michael@0:     "[8] Check initial skipped offset";
michael@0: 
michael@0:   uint32_t expectSkipped2[] =
michael@0:   {  0,  0,  0,  0,  0,  0,  0,  0,  0,  0,
michael@0:      1,  1,  1,  1,  1,  1,  1,  1,  1,  1,
michael@0:      2,  2,  2,  2,  2,  2,  2,  2,  2,  2 };
michael@0: 
michael@0:   for (uint32_t i = 0; i < mozilla::ArrayLength(expectSkipped2); i++) {
michael@0:     EXPECT_TRUE(iter2.ConvertOriginalToSkipped(i) == expectSkipped2[i]) <<
michael@0:       "[9] Check mapping of original to skipped for " << i;
michael@0:   }
michael@0: 
michael@0:   uint32_t expectOriginal2[] = { 9, 19, 29 };
michael@0: 
michael@0:   for (uint32_t i = 0; i < mozilla::ArrayLength(expectOriginal2); i++) {
michael@0:     EXPECT_TRUE(iter2.ConvertSkippedToOriginal(i) == expectOriginal2[i]) <<
michael@0:       "[10] Check mapping of skipped to original for " << i;
michael@0:   }
michael@0: 
michael@0:   return true;
michael@0: }
michael@0: 
michael@0: TEST(Gfx, gfxSkipChars) {
michael@0:   TestConstructor();
michael@0:   TestLength();
michael@0:   TestIterator();
michael@0: }