moving trunk for module inkscape

(bzr r1)

1 files changed, 89 insertions, 0 deletions

diff --git a/src/libnr/nr-rotate-test.cpp b/src/libnr/nr-rotate-test.cpp
new file mode 100644
index 000000000..63b9d1737
--- /dev/null
+++ b/src/libnr/nr-rotate-test.cpp
@@ -0,0 +1,89 @@
+#include <cmath>
+#include <utest/utest.h>
+#include <libnr/nr-matrix.h>
+#include <libnr/nr-matrix-fns.h>        /* identity, matrix_equalp */
+#include <libnr/nr-matrix-ops.h>
+#include <libnr/nr-point-fns.h>
+#include <libnr/nr-point-matrix-ops.h>
+#include <libnr/nr-rotate.h>
+#include <libnr/nr-rotate-fns.h>
+#include <libnr/nr-rotate-ops.h>
+using NR::X;
+using NR::Y;
+
+int main(int argc, char *argv[])
+{
+    utest_start("rotate");
+
+    NR::Matrix const m_id(NR::identity());
+    NR::rotate const r_id(0.0);
+    NR::rotate const rot234(.234);
+    UTEST_TEST("constructors, comparisons") {
+        UTEST_ASSERT( r_id == r_id );
+        UTEST_ASSERT( rot234 == rot234 );
+        UTEST_ASSERT( rot234 != r_id );
+        UTEST_ASSERT( r_id == NR::rotate(NR::Point(1.0, 0.0)) );
+        UTEST_ASSERT( NR::Matrix(r_id) == m_id );
+        UTEST_ASSERT( NR::Matrix(r_id).test_identity() );
+
+        UTEST_ASSERT(rotate_equalp(rot234, NR::rotate(NR::Point(cos(.234), sin(.234))), 1e-12));
+    }
+
+    UTEST_TEST("operator=") {
+        NR::rotate rot234_eq(r_id);
+        rot234_eq = rot234;
+        UTEST_ASSERT( rot234 == rot234_eq );
+        UTEST_ASSERT( rot234_eq != r_id );
+    }
+
+    UTEST_TEST("inverse") {
+        UTEST_ASSERT( r_id.inverse() == r_id );
+        UTEST_ASSERT( rot234.inverse() == NR::rotate(-.234) );
+    }
+
+    NR::Point const b(-2.0, 3.0);
+    NR::rotate const rot180(NR::Point(-1.0, 0.0));
+    UTEST_TEST("operator*(Point, rotate)") {
+        UTEST_ASSERT( b * r_id == b );
+        UTEST_ASSERT( b * rot180 == -b );
+        UTEST_ASSERT( b * rot234 == b * NR::Matrix(rot234) );
+        UTEST_ASSERT(point_equalp(b * NR::rotate(M_PI / 2),
+                                  NR::rot90(b),
+                                  1e-14));
+        UTEST_ASSERT( b * rotate_degrees(90.) == NR::rot90(b) );
+    }
+
+    UTEST_TEST("operator*(rotate, rotate)") {
+        UTEST_ASSERT( r_id * r_id == r_id );
+        UTEST_ASSERT( rot180 * rot180 == r_id );
+        UTEST_ASSERT( rot234 * r_id == rot234 );
+        UTEST_ASSERT( r_id * rot234 == rot234 );
+        UTEST_ASSERT(rotate_equalp(rot234 * rot234.inverse(), r_id, 1e-14));
+        UTEST_ASSERT(rotate_equalp(rot234.inverse() * rot234, r_id, 1e-14));
+        UTEST_ASSERT(rotate_equalp(( NR::rotate(0.25) * NR::rotate(.5) ),
+                                   NR::rotate(.75),
+                                   1e-10));
+    }
+
+    UTEST_TEST("operator/(rotate, rotate)") {
+        UTEST_ASSERT( rot234 / r_id == rot234 );
+        UTEST_ASSERT( rot234 / rot180 == rot234 * rot180 );
+        UTEST_ASSERT(rotate_equalp(rot234 / rot234, r_id, 1e-14));
+        UTEST_ASSERT(rotate_equalp(r_id / rot234, rot234.inverse(), 1e-14));
+    }
+
+    return ( utest_end()
+             ? EXIT_SUCCESS
+             : EXIT_FAILURE );
+}
+
+/*
+  Local Variables:
+  mode:c++
+  c-file-style:"stroustrup"
+  c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
+  indent-tabs-mode:nil
+  fill-column:99
+  End:
+*/
+// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :