diff options
Diffstat (limited to 'tests/testLine2d.cpp')
| -rw-r--r-- | tests/testLine2d.cpp | 301 |
1 files changed, 0 insertions, 301 deletions
diff --git a/tests/testLine2d.cpp b/tests/testLine2d.cpp deleted file mode 100644 index f8fe1f3..0000000 --- a/tests/testLine2d.cpp +++ /dev/null @@ -1,301 +0,0 @@ -// Copyright (C) 2008-2012 Colin MacDonald
-// No rights reserved: this software is in the public domain.
-
-#include "testUtils.h"
-
-using namespace irr;
-using namespace core;
-
-static bool testLines(line2df const & line1,
- line2df const & line2,
- bool expectedHit,
- const vector2df & expectedIntersection)
-{
- bool gotExpectedResult = true;
-
- logTestString("\nLine 1 = %.1f %.1f to %.1f %.1f \n",
- line1.start.X, line1.start.Y,
- line1.end.X, line1.end.Y);
- logTestString("Line 2 = %.1f %.1f to %.1f %.1f\n",
- line2.start.X, line2.start.Y,
- line2.end.X, line2.end.Y);
-
- vector2df intersection;
- logTestString("line1 with line2 = ");
- if(line1.intersectWith(line2, intersection))
- {
- logTestString("hit at %.1f %.1f - ",
- intersection.X, intersection.Y);
-
- if(!line1.isPointOnLine(intersection) || !line2.isPointOnLine(intersection))
- {
- logTestString("ERROR! point is not on both lines - ");
- gotExpectedResult = false;
- }
-
- if(expectedHit)
- {
- if(intersection == expectedIntersection)
- {
- logTestString("expected\n");
- }
- else
- {
- logTestString("unexpected intersection (expected %.1f %.1f)\n",
- expectedIntersection.X, expectedIntersection.Y);
- gotExpectedResult = false;
- }
- }
- else
- {
- logTestString("UNEXPECTED\n");
- gotExpectedResult = false;
- }
- }
- else
- {
- logTestString("miss - ");
- if(!expectedHit)
- {
- logTestString("expected\n");
- }
- else
- {
- logTestString("UNEXPECTED\n");
- gotExpectedResult = false;
- }
- }
-
- logTestString("line2 with line1 = ");
- if(line2.intersectWith(line1, intersection))
- {
- logTestString("hit at %.1f %.1f - ",
- intersection.X, intersection.Y);
- if(!line1.isPointOnLine(intersection) || !line2.isPointOnLine(intersection))
- {
- logTestString("ERROR! point is not on both lines - ");
- gotExpectedResult = false;
- }
-
- if(expectedHit)
- {
- if(intersection == expectedIntersection)
- {
- logTestString("expected\n");
- }
- else
- {
- logTestString("unexpected intersection (expected %.1f %.1f)\n",
- expectedIntersection.X, expectedIntersection.Y);
- gotExpectedResult = false;
- }
- }
- else
- {
- logTestString("UNEXPECTED\n");
- gotExpectedResult = false;
- }
- }
- else
- {
- logTestString("miss - ");
- if(!expectedHit)
- {
- logTestString("expected\n");
- }
- else
- {
- logTestString("UNEXPECTED\n");
- gotExpectedResult = false;
- }
- }
-
- return gotExpectedResult;
-}
-
-// Test the functionality of line2d>T>::intersectWith().
-/** Validation is done with assert_log() against expected results. */
-bool line2dIntersectWith(void)
-{
- bool allExpected = true;
-
- // Crossing lines, horizontal and vertical
- allExpected &= testLines(line2df(vector2df(1,1),vector2df(1,3)),
- line2df(vector2df(0,2),vector2df(2,2)),
- true, vector2df(1,2));
- assert_log(allExpected);
-
- // Crossing lines, both diagonal
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(2,2)),
- line2df(vector2df(0,2),vector2df(2,0)),
- true, vector2df(1,1));
- assert_log(allExpected);
-
- // Non-crossing lines, horizontal and vertical
- allExpected &= testLines(line2df(vector2df(1,1),vector2df(1,3)),
- line2df(vector2df(0,4),vector2df(2,4)),
- false, vector2df());
- assert_log(allExpected);
-
- // Non-crossing lines, both diagonal
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(2,2)),
- line2df(vector2df(3,4),vector2df(4,3)),
- false, vector2df());
- assert_log(allExpected);
-
- // Meeting at a common point
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(1,0),vector2df(2,0)),
- true, vector2df(1,0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(1,0),vector2df(0,1)),
- true, vector2df(1,0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(1,0),vector2df(0,-1)),
- true, vector2df(1,0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(0,1),vector2df(1,1)),
- true, vector2df(0,1));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(0,1),vector2df(1,-1)),
- true, vector2df(0,1));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(0,1),vector2df(0,2)),
- true, vector2df(0,1));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(1,0),vector2df(2,0)),
- true, vector2df(1,0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,1)),
- line2df(vector2df(1,1),vector2df(0,2)),
- true, vector2df(1,1));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,1)),
- line2df(vector2df(1,1),vector2df(2,0)),
- true, vector2df(1,1));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,1)),
- line2df(vector2df(1,1),vector2df(2,2)),
- true, vector2df(1,1));
- assert_log(allExpected);
-
-
- // Parallel lines, no intersection
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(0,1),vector2df(1,1)),
- false, vector2df());
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(1,0),vector2df(1,1)),
- false, vector2df());
- assert_log(allExpected);
-
- // Non parallel lines, no intersection
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(0,1),vector2df(0,2)),
- false, vector2df());
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(1,0),vector2df(2,0)),
- false, vector2df());
- assert_log(allExpected);
-
- // Coincident (and thus parallel) lines
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(0,0),vector2df(1,0)),
- true, vector2df(0,0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(2,0),vector2df(0,2)),
- line2df(vector2df(2,0),vector2df(0,2)),
- true, vector2df(2,0));
- assert_log(allExpected);
-
- // Two segments of the same unlimited line, but no intersection
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,1)),
- line2df(vector2df(2,2),vector2df(3,3)),
- false, vector2df());
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(1,0)),
- line2df(vector2df(2,0),vector2df(3,0)),
- false, vector2df());
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(0,1)),
- line2df(vector2df(0,2),vector2df(0,3)),
- false, vector2df());
- assert_log(allExpected);
-
- // Overlapping parallel lines
- allExpected &= testLines(line2df(vector2df(1,0),vector2df(2,0)),
- line2df(vector2df(0,0),vector2df(3,0)),
- true, vector2df(1.5f, 0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,1),vector2df(0,2)),
- line2df(vector2df(0,0),vector2df(0,3)),
- true, vector2df(0, 1.5f));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(1,0),vector2df(2,0)),
- line2df(vector2df(0,0),vector2df(3,0)),
- true, vector2df(1.5f, 0));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,1),vector2df(0,2)),
- line2df(vector2df(0,0),vector2df(0,3)),
- true, vector2df(0, 1.5f));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(1,1),vector2df(2,2)),
- line2df(vector2df(0,0),vector2df(3,3)),
- true, vector2df(1.5f, 1.5f));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(1,2),vector2df(2,1)),
- line2df(vector2df(0,3),vector2df(3,0)),
- true, vector2df(1.5f, 1.5f));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(10,8)),
- line2df(vector2df(2.5f,2.0f),vector2df(5.0f,4.0f)),
- true, vector2df(3.75f, 3.0f));
- assert_log(allExpected);
- allExpected &= testLines(line2df(vector2df(0,0),vector2df(2000,1000)),
- line2df(vector2df(2,1),vector2df(2.2f,1.4f)),
- true, vector2df(2.0f, 1.0f));
- assert_log(allExpected);
-
- if(!allExpected)
- logTestString("\nline2dIntersectWith failed\n");
-
- return allExpected;
-}
-
-bool getClosestPoint(void)
-{
- // testcase that fails when integers are handled like floats
- irr::core::line2di line(-283, -372, 374, 289);
- irr::core::vector2di p1 = line.getClosestPoint( irr::core::vector2di(290,372) );
- irr::core::vector2di p2 = line.getClosestPoint( irr::core::vector2di(135,372) );
- if( p1 == p2 )
- {
- logTestString("getClosestPoint failed\n");
- return false;
- }
-
- return true;
-}
-
-bool testLine2d(void)
-{
- bool allExpected = true;
-
- allExpected &= line2dIntersectWith();
- allExpected &= getClosestPoint();
-
- if(allExpected)
- logTestString("\nAll tests passed\n");
- else
- logTestString("\nFAIL!\n");
-
- return allExpected;
-}
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