Attachment #164484 for bug #162082

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		assertFalse("Line segments are parallel but not co-linear and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,1,0,6,5));
		
		// co-linear
		assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(0,0,5,5,3,3,6,6));
		assertTrue("Line segments are co-linear, sharing ending/starting point.", Geometry.linesIntersect(0,0,5,5,5,5,6,6));
		assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(3,3,6,6,0,0,5,5));
		assertTrue("Line segments are co-linear, sharing starting/ending point.", Geometry.linesIntersect(3,3,6,6,0,0,3,3));
		assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(3,3,6,6,0,0,5,5));
		assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(0,0,5,5,3,3,6,6));
		assertTrue("Line segments are co-linear, fully-overlapping.", Geometry.linesIntersect(0,0,5,5,1,1,3,3));
		assertFalse("Line segments are co-linear but non-overlapping, and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,10,10,20,20));	
	}

Return to bug 162082

Lines 201-210 Link Here

(-)src/org/eclipse/draw2d/test/GeometryTest.java (-2 / +2 lines)
201	assertFalse("Line segments are parallel but not co-linear and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,1,0,6,5));	201	assertFalse("Line segments are parallel but not co-linear and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,1,0,6,5));
202		202
203	// co-linear	203	// co-linear
204	assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(0,0,5,5,3,3,6,6));
205	assertTrue("Line segments are co-linear, sharing ending/starting point.", Geometry.linesIntersect(0,0,5,5,5,5,6,6));	204	assertTrue("Line segments are co-linear, sharing ending/starting point.", Geometry.linesIntersect(0,0,5,5,5,5,6,6));
206	assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(3,3,6,6,0,0,5,5));
207	assertTrue("Line segments are co-linear, sharing starting/ending point.", Geometry.linesIntersect(3,3,6,6,0,0,3,3));	205	assertTrue("Line segments are co-linear, sharing starting/ending point.", Geometry.linesIntersect(3,3,6,6,0,0,3,3));
		206	assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(3,3,6,6,0,0,5,5));
		207	assertTrue("Line segments are co-linear, partly-overlapping.", Geometry.linesIntersect(0,0,5,5,3,3,6,6));
208	assertTrue("Line segments are co-linear, fully-overlapping.", Geometry.linesIntersect(0,0,5,5,1,1,3,3));	208	assertTrue("Line segments are co-linear, fully-overlapping.", Geometry.linesIntersect(0,0,5,5,1,1,3,3));
209	assertFalse("Line segments are co-linear but non-overlapping, and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,10,10,20,20));	209	assertFalse("Line segments are co-linear but non-overlapping, and should thus not be regarded as intersecting.", Geometry.linesIntersect(0,0,5,5,10,10,20,20));
210	}	210	}