tests: Add test cases for bad endpoint node and remote-endpoint prop checks

Signed-off-by: Johannes Beisswenger <johannes.beisswenger@cetitec.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

tests/bad-graph-root1.dts

@@ -0,0 +1,7 @@
+/dts-v1/;
+
+/ {
+	foo {
+                remote-endpoint = <0xdeadbeef>;
+	};
+};

tests/bad-graph-root2.dts

@@ -0,0 +1,2 @@
+/dts-v1/;
+/ {	endpoint {};  };

tests/bad-graph-root3.dts

@@ -0,0 +1,14 @@
+/dts-v1/;
+
+ / {
+	bar: bar {
+		port {
+			bar_con: endpoint {
+				remote-endpoint = <&foo_con>;
+			};
+		};
+	};
+	foo_con: endpoint {
+		remote-endpoint = <&bar_con>;
+	};
+};

tests/bad-graph-root4.dts

@@ -0,0 +1,19 @@
+/dts-v1/;
+
+ / {
+
+	bar: bar {
+		port {
+			bar_con: endpoint {
+				remote-endpoint = <&foo_con>;
+			};
+		};
+	};
+	foo {
+		remote-endpoint = <&bar_con>; // misplaced remote-endpoint property
+		port {
+			foo_con: endpoint {
+			};
+		};
+	};
+};

tests/run_tests.sh

@@ -730,6 +730,10 @@ dtc_tests () {
     check_tests "$SRCDIR/bad-graph.dts" graph_child_address
     check_tests "$SRCDIR/bad-graph.dts" graph_port
     check_tests "$SRCDIR/bad-graph.dts" graph_endpoint
+    check_tests "$SRCDIR/bad-graph-root1.dts" graph_nodes
+    check_tests "$SRCDIR/bad-graph-root2.dts" graph_nodes
+    check_tests "$SRCDIR/bad-graph-root3.dts" graph_nodes
+    check_tests "$SRCDIR/bad-graph-root4.dts" graph_nodes
     run_sh_test "$SRCDIR/dtc-checkfails.sh" deprecated_gpio_property -- -Wdeprecated_gpio_property -I dts -O dtb "$SRCDIR/bad-gpio.dts"
     run_sh_test "$SRCDIR/dtc-checkfails.sh" -n deprecated_gpio_property -- -Wdeprecated_gpio_property -I dts -O dtb "$SRCDIR/good-gpio.dts"
     check_tests "$SRCDIR/bad-interrupt-cells.dts" interrupts_property