Cover modal modes in source link tests

docs/linuxcnc-porting.md

@@ -191,6 +191,7 @@ This matrix tracks LinuxCNC feature coverage for the web/WASM simulator. A featu
 | Tool length offset `G43/G49` | covered with nonzero tool-table offset through LinuxCNC native/source backends | `tests/gcode/linuxcnc_tool_length.ngc` |
 | RTCP controls `G43.4/G43.5/G49` | covered as simulator-owned control lines | `tests/gcode/linuxcnc_rtcp_controls.ngc` |
 | Kinematics switch `M428/M429/M430` | covered as simulator-owned control lines | `tests/gcode/linuxcnc_rtcp_controls.ngc` |
+| Feed and motion control modes `G93/G94/G95`, `G61/G61.1/G64` | covered through LinuxCNC native/source backends | `tests/gcode/linuxcnc_feed_modes.ngc`, `tests/gcode/linuxcnc_motion_modes.ngc` |
 | Canned cycle `G81/G80` | covered for drilling expand-to-canon path | `tests/gcode/linuxcnc_canned_cycle.ngc` |
 | Coordinate offset Canon events `G10 L2`, `G10 L20`, `G92/G92.1` | covered through LinuxCNC native/source backends | `tests/gcode/linuxcnc_coordinate_offsets.ngc`, `tests/gcode/linuxcnc_coordinate_l20.ngc` |
 | Cutter compensation | covered for tool-table `G41/G42 D...` and explicit-radius `G41.1/G42.1/G40` through LinuxCNC native/source backends | `tests/gcode/linuxcnc_cutter_comp.ngc` |

test-linuxcnc-source-link.sh

@@ -103,6 +103,12 @@ CNC_SIM_RS274_VAR="$var_file" \
 CNC_SIM_RS274_VAR="$var_file" \
     "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_rtcp_controls.ngc \
     >/tmp/cnc_sim_linuxcnc_source_rtcp_controls.json
+CNC_SIM_RS274_VAR="$var_file" \
+    "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_feed_modes.ngc \
+    >/tmp/cnc_sim_linuxcnc_source_feed_modes.json
+CNC_SIM_RS274_VAR="$var_file" \
+    "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_motion_modes.ngc \
+    >/tmp/cnc_sim_linuxcnc_source_motion_modes.json
 CNC_SIM_RS274_VAR="$var_file" \
     "$build_dir/linuxcnc_rs274_source_dump" tests/gcode/linuxcnc_tool_length.ngc \
     >/tmp/cnc_sim_linuxcnc_source_tool_length.json
@@ -163,6 +169,34 @@ rtcp = [event for event in controls if event["type"] == "rtcp-state"]
 if [(event["line"], event["tool"], event["feed"]) for event in rtcp] != [(3, 0, 0), (4, 7, 1)]:
     raise SystemExit("unexpected source-linked RTCP state sequence")
 
+feed_modes = json.loads(Path("/tmp/cnc_sim_linuxcnc_source_feed_modes.json").read_text())
+feed_mode_comments = [
+    (event["line"], event["reserved"])
+    for event in feed_modes
+    if event["type"] == "comment"
+]
+for expected in [(2, 93), (3, 94), (4, 95)]:
+    if expected not in feed_mode_comments:
+        raise SystemExit(f"missing source-linked feed mode comment state {expected!r}")
+feed_mode_events = [
+    (event["line"], event["reserved"])
+    for event in feed_modes
+    if event["type"] == "set-feed"
+]
+for expected in [(3, 0), (4, 0)]:
+    if expected not in feed_mode_events:
+        raise SystemExit(f"missing source-linked feed mode event {expected!r}")
+
+motion_modes = json.loads(Path("/tmp/cnc_sim_linuxcnc_source_motion_modes.json").read_text())
+motion_mode_states = [
+    (event["line"], event["reserved"], event["feed"])
+    for event in motion_modes
+    if event["type"] == "comment"
+]
+for expected in [(2, 611, 0), (3, 612, 0), (4, 640, 0.05)]:
+    if expected not in motion_mode_states:
+        raise SystemExit(f"missing source-linked motion mode state {expected!r}")
+
 tool_length = json.loads(Path("/tmp/cnc_sim_linuxcnc_source_tool_length.json").read_text())
 if not any(
     event["type"] == "comment" and
@@ -336,6 +370,8 @@ PY
 echo "linuxcnc rs274 source link smoke passed (${#objects[@]} local objects)"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_basic_mill.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_rtcp_controls.json"
+echo "dumped /tmp/cnc_sim_linuxcnc_source_feed_modes.json"
+echo "dumped /tmp/cnc_sim_linuxcnc_source_motion_modes.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_tool_length.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_canned_cycle.json"
 echo "dumped /tmp/cnc_sim_linuxcnc_source_canned_cycles_extended.json"