Add basic test coverage for curve sketching tools.

src/platform/headless.cpp

@@ -233,8 +233,9 @@ void OpenWebsite(const char *url) {
 // Resources
 //-----------------------------------------------------------------------------
 
+std::vector<std::string> fontFiles;
 std::vector<std::string> GetFontFiles() {
-    return {};
+    return fontFiles;
 }
 
 std::string resourceDir;

src/render/rendercairo.cpp

@@ -19,6 +19,10 @@ void CairoRenderer::OutputStart() {
 
     cairo_translate(context, camera.width / 2.0, camera.height / 2.0);
 
+    // Avoid pixel boundaries; when not using antialiasing, we would otherwise
+    // get numerically unstable output.
+    cairo_translate(context, 0.1, 0.1);
+
     cairo_set_line_join(context, CAIRO_LINE_JOIN_ROUND);
     cairo_set_line_cap(context, CAIRO_LINE_CAP_ROUND);
 }

test/CMakeLists.txt

@@ -7,7 +7,48 @@ include_directories(
 
 set(testsuite_SOURCES
     harness.cpp
-    request/line_segment/test.cpp)
+    constraint/points_coincident/test.cpp
+    constraint/pt_pt_distance/test.cpp
+    constraint/pt_plane_distance/test.cpp
+    constraint/pt_line_distance/test.cpp
+    constraint/pt_face_distance/test.cpp
+    constraint/proj_pt_distance/test.cpp
+    constraint/pt_in_plane/test.cpp
+    constraint/pt_on_line/test.cpp
+    constraint/pt_on_face/test.cpp
+    constraint/equal_length_lines/test.cpp
+    constraint/length_ratio/test.cpp
+    constraint/eq_len_pt_line_d/test.cpp
+    constraint/eq_pt_ln_distances/test.cpp
+    constraint/equal_angle/test.cpp
+    constraint/equal_line_arc_len/test.cpp
+    constraint/length_difference/test.cpp
+    constraint/symmetric/test.cpp
+    constraint/symmetric_horiz/test.cpp
+    constraint/symmetric_vert/test.cpp
+    constraint/symmetric_line/test.cpp
+    constraint/at_midpoint/test.cpp
+    constraint/horizontal/test.cpp
+    constraint/vertical/test.cpp
+    constraint/diameter/test.cpp
+    constraint/pt_on_circle/test.cpp
+    constraint/same_orientation/test.cpp
+    constraint/angle/test.cpp
+    constraint/parallel/test.cpp
+    constraint/perpendicular/test.cpp
+    constraint/arc_line_tangent/test.cpp
+    constraint/cubic_line_tangent/test.cpp
+    constraint/curve_curve_tangent/test.cpp
+    constraint/equal_radius/test.cpp
+    constraint/where_dragged/test.cpp
+    constraint/comment/test.cpp
+    request/arc_of_circle/test.cpp
+    request/circle/test.cpp
+    request/cubic/test.cpp
+    request/cubic_periodic/test.cpp
+    request/datum_point/test.cpp
+    request/line_segment/test.cpp
+    request/ttf_text/test.cpp)
 
 add_executable(solvespace_testsuite
     ${testsuite_SOURCES})

test/constraint/angle/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/arc_line_tangent/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/at_midpoint/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/comment/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/cubic_line_tangent/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/curve_curve_tangent/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/diameter/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/eq_len_pt_line_d/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/eq_pt_ln_distances/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/equal_angle/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/equal_length_lines/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/equal_line_arc_len/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/equal_radius/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/horizontal/test.cpp

@@ -0,0 +1,25 @@
+#include "harness.h"
+
+TEST_CASE(line_roundtrip) {
+    CHECK_LOAD("line.slvs");
+    CHECK_RENDER("line.png");
+    CHECK_SAVE("line.slvs");
+}
+
+TEST_CASE(line_migrate_from_v20) {
+    CHECK_LOAD("line_v20.slvs");
+    CHECK_RENDER("line.png");
+    CHECK_SAVE("line.slvs");
+}
+
+TEST_CASE(pt_pt_roundtrip) {
+    CHECK_LOAD("pt_pt.slvs");
+    CHECK_RENDER("pt_pt.png");
+    CHECK_SAVE("pt_pt.slvs");
+}
+
+TEST_CASE(pt_pt_migrate_from_v20) {
+    CHECK_LOAD("pt_pt_v20.slvs");
+    CHECK_RENDER("pt_pt.png");
+    CHECK_SAVE("pt_pt.slvs");
+}

test/constraint/length_difference/test.cpp

@@ -0,0 +1,7 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/length_ratio/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/parallel/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/perpendicular/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/points_coincident/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/proj_pt_distance/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/pt_face_distance/test.cpp

@@ -0,0 +1,12 @@
+#include "harness.h"
+
+// TEST_CASE(roundtrip) {
+//     CHECK_LOAD("normal.slvs");
+//     CHECK_RENDER("normal.png");
+//     CHECK_SAVE("normal.slvs");
+// }
+
+// TEST_CASE(migrate_from_v20) {
+//     CHECK_LOAD("normal_v20.slvs");
+//     CHECK_SAVE("normal.slvs");
+// }

test/constraint/pt_in_plane/test.cpp

@@ -0,0 +1,13 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}

test/constraint/pt_line_distance/test.cpp

@@ -0,0 +1,18 @@
+#include "harness.h"
+
+TEST_CASE(roundtrip) {
+    CHECK_LOAD("normal.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(migrate_from_v20) {
+    CHECK_LOAD("normal_v20.slvs");
+    CHECK_RENDER("normal.png");
+    CHECK_SAVE("normal.slvs");
+}
+
+TEST_CASE(render_extended) {
+    CHECK_LOAD("extended.slvs");
+    CHECK_RENDER("extended.png");
+}