skia2/experimental/Intersection/QuadraticReduceOrder_Test.cpp
caryclark@google.com 9e49fb63d3 shape ops work in progress
add copyrights everywhere
start working on quadratic line segments (for quad intersection)

git-svn-id: http://skia.googlecode.com/svn/trunk@5286 2bbb7eff-a529-9590-31e7-b0007b416f81
2012-08-27 14:11:33 +00:00

69 lines
2.0 KiB
C++

/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "CurveIntersection.h"
#include "Intersection_Tests.h"
#include "QuadraticIntersection_TestData.h"
#include "TestUtilities.h"
#include "SkTypes.h"
static const Quadratic testSet[] = {
{{1, 1}, {2, 2}, {1, 1.000003}},
{{1, 0}, {2, 6}, {3, 0}}
};
static const size_t testSetCount = sizeof(testSet) / sizeof(testSet[0]);
static void oneOffTest() {
SkDebugf("%s FLT_EPSILON=%1.9g\n", __FUNCTION__, FLT_EPSILON);
for (size_t index = 0; index < testSetCount; ++index) {
const Quadratic& quad = testSet[index];
Quadratic reduce;
int order = reduceOrder(quad, reduce);
SkASSERT(order == 3);
}
}
static void standardTestCases() {
size_t index;
Quadratic reduce;
int order;
enum {
RunAll,
RunQuadraticLines,
RunQuadraticModLines,
RunNone
} run = RunAll;
int firstTestIndex = 0;
#if 0
run = RunQuadraticLines;
firstTestIndex = 1;
#endif
int firstQuadraticLineTest = run == RunAll ? 0 : run == RunQuadraticLines ? firstTestIndex : INT_MAX;
int firstQuadraticModLineTest = run == RunAll ? 0 : run == RunQuadraticModLines ? firstTestIndex : INT_MAX;
for (index = firstQuadraticLineTest; index < quadraticLines_count; ++index) {
const Quadratic& quad = quadraticLines[index];
order = reduceOrder(quad, reduce);
if (order != 2) {
printf("[%d] line quad order=%d\n", (int) index, order);
}
}
for (index = firstQuadraticModLineTest; index < quadraticModEpsilonLines_count; ++index) {
const Quadratic& quad = quadraticModEpsilonLines[index];
order = reduceOrder(quad, reduce);
if (order != 3) {
printf("[%d] line mod quad order=%d\n", (int) index, order);
}
}
}
void QuadraticReduceOrder_Test() {
oneOffTest();
standardTestCases();
}