v0.1.0: 初始工程骨架 — 7模块 40头文件 32源文件 17文档 Apache-2.0

tests/curves/CMakeLists.txt

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+add_vde_test(test_bezier)
+add_vde_test(test_nurbs)

tests/curves/test_bezier.cpp

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+#include <gtest/gtest.h>
+#include "vde/curves/bezier_curve.h"
+
+using namespace vde::curves;
+
+TEST(BezierTest, Linear_EvaluateAtMidpoint) {
+    BezierCurve curve({Point3D(0,0,0), Point3D(2,0,0)});
+    Point3D p = curve.evaluate(0.5);
+    EXPECT_NEAR(p.x(), 1.0, 1e-6);
+}
+
+TEST(BezierTest, Quadratic_EvaluateAtEndpoints) {
+    BezierCurve curve({Point3D(0,0,0), Point3D(1,1,0), Point3D(2,0,0)});
+    Point3D p0 = curve.evaluate(0.0);
+    Point3D p1 = curve.evaluate(1.0);
+    EXPECT_NEAR((p0 - Point3D(0,0,0)).norm(), 0.0, 1e-6);
+    EXPECT_NEAR((p1 - Point3D(2,0,0)).norm(), 0.0, 1e-6);
+}

tests/curves/test_nurbs.cpp

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+#include <gtest/gtest.h>
+#include "vde/curves/nurbs_curve.h"
+
+using namespace vde::curves;
+
+TEST(NurbsTest, BSpline_UnitWeight) {
+    // 3 control points, degree 2, uniform knots
+    NurbsCurve curve(
+        {Point3D(0,0,0), Point3D(1,2,0), Point3D(2,0,0)},
+        {0,0,0,1,1,1},
+        {1,1,1},
+        2
+    );
+    auto p = curve.evaluate(0.5);
+    EXPECT_NEAR(p.y(), 1.0, 0.1);  // Should peak near y=1
+}