gecko/gfx/tests/gtest/TestSkipChars.cpp

136 lines
3.7 KiB
C++

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