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Diffstat (limited to 'indra/llmath/tests/v2math_test.cpp')
| -rw-r--r-- | indra/llmath/tests/v2math_test.cpp | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/indra/llmath/tests/v2math_test.cpp b/indra/llmath/tests/v2math_test.cpp new file mode 100644 index 0000000000..748cdf913a --- /dev/null +++ b/indra/llmath/tests/v2math_test.cpp @@ -0,0 +1,454 @@ +/** + * @file v2math_tut.cpp + * @author Adroit + * @date 2007-02 + * @brief v2math test cases. + * + * $LicenseInfo:firstyear=2007&license=viewergpl$ + * + * Copyright (c) 2007-2009, Linden Research, Inc. + * + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at + * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + */ + +#include "linden_common.h" +#include "../test/lltut.h" + +#include "../v2math.h" + + +namespace tut +{ + struct v2math_data + { + }; + typedef test_group<v2math_data> v2math_test; + typedef v2math_test::object v2math_object; + tut::v2math_test v2math_testcase("v2math"); + + template<> template<> + void v2math_object::test<1>() + { + LLVector2 vec2; + ensure("LLVector2:Fail to initialize ", (0.f == vec2.mV[VX] && 0.f == vec2.mV[VY])); + + F32 x =2.0f, y = 3.2f ; + LLVector2 vec3(x,y); + ensure("LLVector2(F32 x, F32 y):Fail to initialize ", (x == vec3.mV[VX]) && (y == vec3.mV[VY])); + + const F32 vec[2] = {3.2f, 4.5f}; + LLVector2 vec4(vec); + ensure("LLVector2(const F32 *vec):Fail to initialize ", (vec[0] == vec4.mV[VX]) && (vec[1] == vec4.mV[VY])); + + vec4.clearVec(); + ensure("clearVec():Fail to clean the values ", (0.f == vec4.mV[VX] && 0.f == vec4.mV[VY])); + + vec3.zeroVec(); + ensure("zeroVec():Fail to fill the zero ", (0.f == vec3.mV[VX] && 0.f == vec3.mV[VY])); + } + + template<> template<> + void v2math_object::test<2>() + { + F32 x = 123.356f, y = 2387.453f; + LLVector2 vec2,vec3; + vec2.setVec(x, y); + ensure("1:setVec: Fail ", (x == vec2.mV[VX]) && (y == vec2.mV[VY])); + + vec3.setVec(vec2); + ensure("2:setVec: Fail " ,(vec2 == vec3)); + + vec3.zeroVec(); + const F32 vec[2] = {3.24653f, 457653.4f}; + vec3.setVec(vec); + ensure("3:setVec: Fail ", (vec[0] == vec3.mV[VX]) && (vec[1] == vec3.mV[VY])); + } + + template<> template<> + void v2math_object::test<3>() + { + F32 x = 2.2345f, y = 3.5678f ; + LLVector2 vec2(x,y); + ensure("magVecSquared:Fail ", is_approx_equal(vec2.magVecSquared(), (x*x + y*y))); + ensure("magVec:Fail ", is_approx_equal(vec2.magVec(), fsqrtf(x*x + y*y))); + } + + template<> template<> + void v2math_object::test<4>() + { + F32 x =-2.0f, y = -3.0f ; + LLVector2 vec2(x,y); + ensure_equals("abs():Fail", vec2.abs(), TRUE); + ensure("abs() x", is_approx_equal(vec2.mV[VX], 2.f)); + ensure("abs() y", is_approx_equal(vec2.mV[VY], 3.f)); + + ensure("isNull():Fail ", FALSE == vec2.isNull()); //Returns TRUE if vector has a _very_small_ length + + x =.00000001f, y = .000001001f; + vec2.setVec(x, y); + ensure("isNull(): Fail ", TRUE == vec2.isNull()); + } + + template<> template<> + void v2math_object::test<5>() + { + F32 x =1.f, y = 2.f; + LLVector2 vec2(x, y), vec3; + vec3 = vec3.scaleVec(vec2); + ensure("scaleVec: Fail ", vec3.mV[VX] == 0. && vec3.mV[VY] == 0.); + ensure("isExactlyZero(): Fail", TRUE == vec3.isExactlyZero()); + + vec3.setVec(2.f, 1.f); + vec3 = vec3.scaleVec(vec2); + ensure("scaleVec: Fail ", (2.f == vec3.mV[VX]) && (2.f == vec3.mV[VY])); + ensure("isExactlyZero():Fail", FALSE == vec3.isExactlyZero()); + } + + template<> template<> + void v2math_object::test<6>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -2.3f, y2 = 1.11f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2), vec4; + vec4 = vec2 + vec3 ; + val1 = x1+x2; + val2 = y1+y2; + ensure("1:operator+ failed",(val1 == vec4.mV[VX]) && ((val2 == vec4.mV[VY]))); + + vec2.clearVec(); + vec3.clearVec(); + x1 = -.235f, y1 = -24.32f, x2 = -2.3f, y2 = 1.f; + vec2.setVec(x1, y1); + vec3.setVec(x2, y2); + vec4 = vec2 + vec3; + val1 = x1+x2; + val2 = y1+y2; + ensure("2:operator+ failed",(val1 == vec4.mV[VX]) && ((val2 == vec4.mV[VY]))); + } + + template<> template<> + void v2math_object::test<7>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -2.3f, y2 = 1.11f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2), vec4; + vec4 = vec2 - vec3 ; + val1 = x1-x2; + val2 = y1-y2; + ensure("1:operator- failed",(val1 == vec4.mV[VX]) && ((val2 == vec4.mV[VY]))); + + vec2.clearVec(); + vec3.clearVec(); + vec4.clearVec(); + x1 = -.235f, y1 = -24.32f, x2 = -2.3f, y2 = 1.f; + vec2.setVec(x1, y1); + vec3.setVec(x2, y2); + vec4 = vec2 - vec3; + val1 = x1-x2; + val2 = y1-y2; + ensure("2:operator- failed",(val1 == vec4.mV[VX]) && ((val2 == vec4.mV[VY]))); + } + + template<> template<> + void v2math_object::test<8>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -2.3f, y2 = 1.11f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2); + val1 = vec2 * vec3; + val2 = x1*x2 + y1*y2; + ensure("1:operator* failed",(val1 == val2)); + + vec3.clearVec(); + F32 mulVal = 4.332f; + vec3 = vec2 * mulVal; + val1 = x1*mulVal; + val2 = y1*mulVal; + ensure("2:operator* failed",(val1 == vec3.mV[VX]) && (val2 == vec3.mV[VY])); + + vec3.clearVec(); + vec3 = mulVal * vec2; + ensure("3:operator* failed",(val1 == vec3.mV[VX]) && (val2 == vec3.mV[VY])); + } + + template<> template<> + void v2math_object::test<9>() + { + F32 x1 =1.f, y1 = 2.f, div = 3.2f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3; + vec3 = vec2 / div; + val1 = x1 / div; + val2 = y1 / div; + ensure("1:operator/ failed", is_approx_equal(val1, vec3.mV[VX]) && is_approx_equal(val2, vec3.mV[VY])); + + vec3.clearVec(); + x1 = -.235f, y1 = -24.32f, div = -2.2f; + vec2.setVec(x1, y1); + vec3 = vec2 / div; + val1 = x1 / div; + val2 = y1 / div; + ensure("2:operator/ failed", is_approx_equal(val1, vec3.mV[VX]) && is_approx_equal(val2, vec3.mV[VY])); + } + + template<> template<> + void v2math_object::test<10>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -2.3f, y2 = 1.11f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2), vec4; + vec4 = vec2 % vec3; + val1 = x1*y2 - x2*y1; + val2 = y1*x2 - y2*x1; + ensure("1:operator% failed",(val1 == vec4.mV[VX]) && (val2 == vec4.mV[VY])); + + vec2.clearVec(); + vec3.clearVec(); + vec4.clearVec(); + x1 = -.235f, y1 = -24.32f, x2 = -2.3f, y2 = 1.f; + vec2.setVec(x1, y1); + vec3.setVec(x2, y2); + vec4 = vec2 % vec3; + val1 = x1*y2 - x2*y1; + val2 = y1*x2 - y2*x1; + ensure("2:operator% failed",(val1 == vec4.mV[VX]) && (val2 == vec4.mV[VY])); + } + template<> template<> + void v2math_object::test<11>() + { + F32 x1 =1.f, y1 = 2.f; + LLVector2 vec2(x1, y1), vec3(x1, y1); + ensure("1:operator== failed",(vec2 == vec3)); + + vec2.clearVec(); + vec3.clearVec(); + x1 = -.235f, y1 = -24.32f; + vec2.setVec(x1, y1); + vec3.setVec(vec2); + ensure("2:operator== failed",(vec2 == vec3)); + } + + template<> template<> + void v2math_object::test<12>() + { + F32 x1 = 1.f, y1 = 2.f,x2 = 2.332f, y2 = -1.23f; + LLVector2 vec2(x1, y1), vec3(x2, y2); + ensure("1:operator!= failed",(vec2 != vec3)); + + vec2.clearVec(); + vec3.clearVec(); + vec2.setVec(x1, y1); + vec3.setVec(vec2); + ensure("2:operator!= failed", (FALSE == (vec2 != vec3))); + } + template<> template<> + void v2math_object::test<13>() + { + F32 x1 = 1.f, y1 = 2.f,x2 = 2.332f, y2 = -1.23f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2); + vec2 +=vec3; + val1 = x1+x2; + val2 = y1+y2; + ensure("1:operator+= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + + vec2.setVec(x1, y1); + vec2 -=vec3; + val1 = x1-x2; + val2 = y1-y2; + ensure("2:operator-= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + + vec2.clearVec(); + vec3.clearVec(); + x1 = -21.000466f, y1 = 2.98382f,x2 = 0.332f, y2 = -01.23f; + vec2.setVec(x1, y1); + vec3.setVec(x2, y2); + vec2 +=vec3; + val1 = x1+x2; + val2 = y1+y2; + ensure("3:operator+= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + + vec2.setVec(x1, y1); + vec2 -=vec3; + val1 = x1-x2; + val2 = y1-y2; + ensure("4:operator-= failed", is_approx_equal(val1, vec2.mV[VX]) && is_approx_equal(val2, vec2.mV[VY])); + } + + template<> template<> + void v2math_object::test<14>() + { + F32 x1 =1.f, y1 = 2.f; + F32 val1, val2, mulVal = 4.332f; + LLVector2 vec2(x1, y1); + vec2 /=mulVal; + val1 = x1 / mulVal; + val2 = y1 / mulVal; + ensure("1:operator/= failed", is_approx_equal(val1, vec2.mV[VX]) && is_approx_equal(val2, vec2.mV[VY])); + + vec2.clearVec(); + x1 = .213f, y1 = -2.34f, mulVal = -.23f; + vec2.setVec(x1, y1); + vec2 /=mulVal; + val1 = x1 / mulVal; + val2 = y1 / mulVal; + ensure("2:operator/= failed", is_approx_equal(val1, vec2.mV[VX]) && is_approx_equal(val2, vec2.mV[VY])); + } + + template<> template<> + void v2math_object::test<15>() + { + F32 x1 =1.f, y1 = 2.f; + F32 val1, val2, mulVal = 4.332f; + LLVector2 vec2(x1, y1); + vec2 *=mulVal; + val1 = x1*mulVal; + val2 = y1*mulVal; + ensure("1:operator*= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + + vec2.clearVec(); + x1 = .213f, y1 = -2.34f, mulVal = -.23f; + vec2.setVec(x1, y1); + vec2 *=mulVal; + val1 = x1*mulVal; + val2 = y1*mulVal; + ensure("2:operator*= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + } + + template<> template<> + void v2math_object::test<16>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -2.3f, y2 = 1.11f; + F32 val1, val2; + LLVector2 vec2(x1, y1), vec3(x2, y2); + vec2 %= vec3; + val1 = x1*y2 - x2*y1; + val2 = y1*x2 - y2*x1; + ensure("1:operator%= failed",(val1 == vec2.mV[VX]) && (val2 == vec2.mV[VY])); + } + + template<> template<> + void v2math_object::test<17>() + { + F32 x1 =1.f, y1 = 2.f; + LLVector2 vec2(x1, y1),vec3; + vec3 = -vec2; + ensure("1:operator- failed",(-vec3 == vec2)); + } + + template<> template<> + void v2math_object::test<18>() + { + F32 x1 =1.f, y1 = 2.f; + std::ostringstream stream1, stream2; + LLVector2 vec2(x1, y1),vec3; + stream1 << vec2; + vec3.setVec(x1, y1); + stream2 << vec3; + ensure("1:operator << failed",(stream1.str() == stream2.str())); + } + + template<> template<> + void v2math_object::test<19>() + { + F32 x1 =1.0f, y1 = 2.0f, x2 = -.32f, y2 = .2234f; + LLVector2 vec2(x1, y1),vec3(x2, y2); + ensure("1:operator < failed",(vec3 < vec2)); + + x1 = 1.0f, y1 = 2.0f, x2 = 1.0f, y2 = 3.2234f; + vec2.setVec(x1, y1); + vec3.setVec(x2, y2); + ensure("2:operator < failed", (FALSE == vec3 < vec2)); + } + + template<> template<> + void v2math_object::test<20>() + { + F32 x1 =1.0f, y1 = 2.0f; + LLVector2 vec2(x1, y1); + ensure("1:operator [] failed",( x1 == vec2[0])); + ensure("2:operator [] failed",( y1 == vec2[1])); + + vec2.clearVec(); + x1 = 23.0f, y1 = -.2361f; + vec2.setVec(x1, y1); + F32 ref1 = vec2[0]; + ensure("3:operator [] failed", ( ref1 == x1)); + F32 ref2 = vec2[1]; + ensure("4:operator [] failed", ( ref2 == y1)); + } + + template<> template<> + void v2math_object::test<21>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -.32f, y2 = .2234f; + F32 val1, val2; + LLVector2 vec2(x1, y1),vec3(x2, y2); + val1 = dist_vec_squared2D(vec2, vec3); + val2 = (x1 - x2)*(x1 - x2) + (y1 - y2)* (y1 - y2); + ensure_equals("dist_vec_squared2D values are not equal",val2, val1); + + val1 = dist_vec_squared(vec2, vec3); + ensure_equals("dist_vec_squared values are not equal",val2, val1); + + val1 = dist_vec(vec2, vec3); + val2 = fsqrtf((x1 - x2)*(x1 - x2) + (y1 - y2)* (y1 - y2)); + ensure_equals("dist_vec values are not equal",val2, val1); + } + + template<> template<> + void v2math_object::test<22>() + { + F32 x1 =1.f, y1 = 2.f, x2 = -.32f, y2 = .2234f,fVal = .0121f; + F32 val1, val2; + LLVector2 vec2(x1, y1),vec3(x2, y2); + LLVector2 vec4 = lerp(vec2, vec3, fVal); + val1 = x1 + (x2 - x1) * fVal; + val2 = y1 + (y2 - y1) * fVal; + ensure("lerp values are not equal", ((val1 == vec4.mV[VX]) && (val2 == vec4.mV[VY]))); + } + + template<> template<> + void v2math_object::test<23>() + { + F32 x1 =1.f, y1 = 2.f; + F32 val1, val2; + LLVector2 vec2(x1, y1); + + F32 vecMag = vec2.normVec(); + F32 mag = fsqrtf(x1*x1 + y1*y1); + + F32 oomag = 1.f / mag; + val1 = x1 * oomag; + val2 = y1 * oomag; + + ensure("normVec failed", is_approx_equal(val1, vec2.mV[VX]) && is_approx_equal(val2, vec2.mV[VY]) && is_approx_equal(vecMag, mag)); + + x1 =.00000001f, y1 = 0.f; + + vec2.setVec(x1, y1); + vecMag = vec2.normVec(); + ensure("normVec failed should be 0.", 0. == vec2.mV[VX] && 0. == vec2.mV[VY] && vecMag == 0.); + } +} |