Adding upstream version 1.2.2.upstream/1.2.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 333 insertions, 0 deletions

diff --git a/src/3rdparty/2geom/tests/nl-vector-test.cpp b/src/3rdparty/2geom/tests/nl-vector-test.cpp
new file mode 100644
index 0000000..53e8eaa
--- /dev/null
+++ b/src/3rdparty/2geom/tests/nl-vector-test.cpp
@@ -0,0 +1,333 @@
+/** @file
+ * @brief Unit tests for Vector, VectorView
+ *//*
+ * Authors:
+ *   Olof Bjarnason <olof.bjarnason@gmail.com>
+ * 
+ * Copyright 2015 Authors
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ */
+
+#include <gtest/gtest.h>
+
+#include <2geom/numeric/vector.h>
+
+namespace Geom {
+
+////
+// Test fixture used in many tests.
+// v1 = [0, 1, ..., 8, 9]
+////
+class CountingVectorFixture : public ::testing::Test {
+public:
+	CountingVectorFixture() : v1(10) { }
+
+protected:
+  void SetUp() override {
+	for (unsigned int i = 0; i < this->v1.size(); ++i)
+		this->v1[i] = i;
+  }
+
+  NL::Vector v1;
+};
+
+// These types are only here to differentiate
+// between categories of tests - they both use
+// the same v1 test fixture variable.
+class VectorTest : public CountingVectorFixture { };
+class VectorViewTest : public CountingVectorFixture { };
+
+////
+// Helper method to write simple tests
+////
+NL::Vector V3(double a, double b, double c) {
+	NL::Vector v(3);
+	v[0] = a;
+	v[1] = b;
+	v[2] = c;
+	return v;
+}
+
+////
+// ** Vector examples **
+////
+
+TEST_F(VectorTest, VectorStringRepresentation) {
+	EXPECT_EQ(v1.str(), "[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]");
+}
+
+TEST_F(VectorTest, VectorConstructFromAnother) {
+	NL::Vector v2(v1);
+	EXPECT_EQ(v1.str(), v2.str());
+}
+
+TEST_F(VectorTest, OperatorEqualIsDefined) {
+	EXPECT_TRUE(v1 == v1);
+	NL::Vector v2(v1);
+	EXPECT_TRUE(v1 == v2);
+	// TODO: This operation compares doubles
+	// with operator ==. Should it use a distance
+	// threshold instead?
+}
+
+TEST_F(VectorTest, OperatorNotEqualIsntDefined) {
+	SUCCEED();
+	//NL::Vector v3(4);
+	//EXPECT_TRUE(v1 != v3); // Not expressible in C++;
+	// gives compile time error
+}
+
+TEST_F(VectorTest, VectorAssignment) {
+	NL::Vector v2(v1.size());
+	v2 = v1;
+	EXPECT_EQ(v1, v2);
+}
+
+#ifndef NDEBUG
+TEST_F(VectorTest, AssignedVectorMustBeSameSize) {
+	NL::Vector v2(5);
+	// On Linux, the assertion message is:
+	// Assertion ... failed ...
+	// On OSX, it is:
+	// Assertion failed: (...), function ..., file ..., line ...
+	// Thus we just look for the word "Assertion".
+	EXPECT_DEATH({v2 = v1;}, "Assertion");
+}
+#endif
+
+TEST_F(VectorTest, VectorScalesInplace) {
+	v1.scale(2);
+	EXPECT_EQ(v1.str(), "[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]");
+}
+
+TEST_F(VectorTest, VectorTranslatesInplace) {
+	v1.translate(1);
+	EXPECT_EQ(v1.str(), "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10]");
+}
+
+TEST_F(VectorTest, ScaleAndTranslateUsesFluentSyntax) {
+	NL::VectorView vv(v1, 3);
+	EXPECT_EQ(vv.translate(5).scale(10).str(), "[50, 60, 70]");
+}
+
+TEST_F(VectorTest, AddAssignment) {
+	NL::Vector v2(v1);
+	v2 += v1;
+	EXPECT_EQ(v2.str(), "[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]");
+}
+
+TEST_F(VectorTest, SubtractAssignment) {
+	NL::Vector v2(v1);
+	v2 -= v1;
+	EXPECT_EQ(v2.str(), "[0, 0, 0, 0, 0, 0, 0, 0, 0, 0]");
+}
+
+TEST_F(VectorTest, SwappingElements) {
+	v1.swap_elements(0, 9);
+	EXPECT_EQ(v1.str(), "[9, 1, 2, 3, 4, 5, 6, 7, 8, 0]");
+}
+
+TEST_F(VectorTest, Reverse) {
+	v1.reverse();
+	EXPECT_EQ(v1.str(), "[9, 8, 7, 6, 5, 4, 3, 2, 1, 0]");
+}
+
+TEST(Vector, IsPositive) {
+	EXPECT_TRUE(V3(1, 1, 1).is_positive());
+	EXPECT_FALSE(V3(0, 0, 0).is_positive());
+	EXPECT_FALSE(V3(-1, 0, 1).is_positive());
+}
+
+TEST_F(VectorTest, IsZero) {
+	EXPECT_FALSE(v1.is_zero());
+	EXPECT_TRUE(V3(0, 0, 0).is_zero());
+}
+
+TEST_F(VectorTest, IsNonNegative) {
+	EXPECT_TRUE(V3(1, 1, 1).is_non_negative());
+	EXPECT_TRUE(V3(0, 0, 0).is_non_negative());
+	EXPECT_FALSE(V3(-1, 1, 1).is_non_negative());
+}
+
+TEST(Vector, Max) {
+	EXPECT_EQ(V3(1, 5, 3).max(), 5);
+}
+
+TEST(Vector, MaxIndex) {
+	EXPECT_EQ(V3(1, 5, 3).max_index(), 1u);
+}
+
+TEST(Vector, Min) {
+	EXPECT_EQ(V3(1, -5, -300).min(), -300);
+}
+
+TEST(Vector, MinIndex) {
+	EXPECT_EQ(V3(1, 5, 3).min_index(), 0u);
+}
+
+TEST_F(VectorTest, SetAll) {
+	v1.set_all(5);
+	EXPECT_EQ(v1.str(), "[5, 5, 5, 5, 5, 5, 5, 5, 5, 5]");
+}
+
+TEST_F(VectorTest, SetBasis) {
+	v1.set_basis(1);
+	EXPECT_EQ(v1.str(), "[0, 1, 0, 0, 0, 0, 0, 0, 0, 0]");
+}
+
+TEST(Vector, SwappingVectors) {
+	NL::Vector a(V3(1, 2, 3));
+	NL::Vector b(V3(7, 7, 7));
+	NL::swap(a, b);
+	EXPECT_EQ(V3(7, 7, 7), a);
+	EXPECT_EQ(V3(1, 2, 3), b);
+}
+
+////
+// ** VectorView tests **
+////
+
+// Construction examples
+
+TEST_F(VectorViewTest, ViewCountOnly) {
+	// VectorView(vector, showCount)
+	EXPECT_EQ(NL::VectorView(v1, 5).str(), "[0, 1, 2, 3, 4]");
+}
+
+TEST_F(VectorViewTest, SkipSomeInitialElements) {
+	// VectorView(vector, showCount, startIndex)
+	EXPECT_EQ(NL::VectorView(v1, 5, 3).str(), "[3, 4, 5, 6, 7]");
+}
+
+TEST_F(VectorViewTest, SparseViewConstruction) {
+	// VectorView(vector, showCount, startIndex, step)
+	EXPECT_EQ(NL::VectorView(v1, 5, 0, 2).str(), "[0, 2, 4, 6, 8]");
+	EXPECT_EQ(NL::VectorView(v1, 5, 1, 2).str(), "[1, 3, 5, 7, 9]");
+}
+
+TEST_F(VectorViewTest, ConstructFromAnotherView) {
+	// VectorView(vectorview, showCount, startIndex, step)
+	NL::VectorView vv(v1, 5, 1, 2);
+	NL::VectorView view(vv, 3, 0, 2);
+	EXPECT_EQ(view.str(), "[1, 5, 9]");
+}
+
+// Operations modify source vectors
+
+TEST_F(VectorViewTest, PartialSourceModification) {
+	NL::VectorView vv(v1, 3);
+	vv.translate(10);
+	EXPECT_EQ(v1.str(),
+			  "[10, 11, 12, 3, 4, 5, 6, 7, 8, 9]");
+	EXPECT_EQ(vv.str(),
+			  "[10, 11, 12]");
+}
+
+// Scale and translate examples
+
+TEST_F(VectorViewTest, ViewScalesInplace) {
+	v1.scale(10);
+	EXPECT_EQ(NL::VectorView(v1, 3).str(), "[0, 10, 20]");
+}
+
+TEST_F(VectorViewTest, ViewScaleAndTranslateUsesFluentSyntax) {
+	EXPECT_EQ(NL::VectorView(v1, 3).scale(10).translate(1).str(),
+		      "[1, 11, 21]");
+}
+
+// Assignment
+
+TEST_F(VectorViewTest, AssignmentFromVectorAvailableForViews) {
+	NL::VectorView vv(v1, v1.size());
+	vv = v1;
+	EXPECT_EQ(vv.str(), v1.str());
+}
+
+#ifndef NDEBUG
+TEST_F(VectorViewTest, AssignmentFromVectorMustBeSameSize) {
+	NL::VectorView vv(v1, 5);
+	EXPECT_DEATH({vv = v1;}, "Assertion");
+}
+#endif
+
+TEST_F(VectorViewTest, AssignmentFromViewAvailableForViews) {
+	NL::VectorView view1(v1, v1.size());
+	view1 = v1;
+	NL::VectorView view2(view1);
+	view2 = view1;
+	EXPECT_EQ(view1.str(), view2.str());
+}
+
+#ifndef NDEBUG
+TEST_F(VectorViewTest, AssignmentFromViewMustBeSameSize) {
+	NL::VectorView view1(v1, v1.size());
+	NL::VectorView view2(view1, view1.size() - 1);
+	EXPECT_DEATH({view2 = view1;}, "Assertion");
+}
+#endif
+
+// Add- and subtract assignment
+
+TEST_F(VectorViewTest, AddAssignAvailableForViews) {
+	NL::VectorView v2(v1);
+	v1 += v2;
+	EXPECT_EQ(v1.str(), "[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]");
+}
+
+TEST_F(VectorViewTest, SubtractAssignAvailableForViews) {
+	NL::Vector v2(v1);
+	v1 -= v2;
+	EXPECT_TRUE(v1.is_zero());
+}
+
+// View swapping
+
+TEST_F(VectorViewTest, SwappingFromSameSourceVectorDoesNotModifySource) {
+	NL::VectorView vv1(v1, 2, 0);
+	NL::VectorView vv2(v1, 2, 8);
+	NL::swap_view(vv1, vv2);
+	EXPECT_EQ(v1.str(), "[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]");
+}
+
+TEST_F(VectorViewTest, SwappingFromSameSourceVectorModifiesViews) {
+	NL::VectorView viewStart(v1, 2, 0);
+	NL::VectorView viewEnd(v1, 2, 8);
+	EXPECT_EQ(viewStart.str(), "[0, 1]");
+	EXPECT_EQ(viewEnd.str(), "[8, 9]");
+	NL::swap_view(viewStart, viewEnd);
+	EXPECT_EQ(viewStart.str(), "[8, 9]");
+	EXPECT_EQ(viewEnd.str(), "[0, 1]");
+}
+
+#ifndef NDEBUG
+TEST_F(VectorViewTest, SwappingDifferentLengthViewFails) {
+	NL::VectorView vv1(v1, 4);
+	NL::VectorView vv2(v1, 3);
+	EXPECT_DEATH({NL::swap_view(vv1, vv2);}, "Assertion");
+}
+#endif
+
+
+} // namespace Geom