// RUN: %exploded_graph_rewriter -d %s | FileCheck %s

// No diffs on the first node, nothing to check.
Node0x1 [shape=record,label=
 "{
    {
      "state_id": 2,
      "program_points": [
        {
          "kind": "BlockEntrance", "block_id": 1,
          "terminator": null, "term_kind": null,
          "tag": null, "node_id": 1,
          "has_report": 0, "is_sink": 0
        }
      ],
      "program_state": {
        "store": null,
        "constraints": null,
        "dynamic_types": null,
        "constructing_objects": null,
        "index_of_element": null,
        "checker_messages": null,
        "environment": {
          "pointer": "0x2",
          "items": [
            {
              "location_context": "#0 Call",
              "lctx_id": 3,
              "calling": "foo",
              "location": null,
              "items": [
                {
                  "stmt_id": 5,
                  "pretty": "bar()",
                  "value": "Unknown"
                }
              ]
            }
          ]
        }
      }
    }
\l}"];

Node0x1 -> Node0x6;

// CHECK: Node0x6 [
// CHECK-SAME: <tr>
// CHECK-SAME:   <td><font color="red">-</font></td>
// CHECK-SAME:   <td align="left"><i>S5</i></td>
// CHECK-SAME:   <td align="left">bar()</td>
// CHECK-SAME:   <td align="left">Unknown</td>
// CHECK-SAME: </tr>
// CHECK-SAME: <tr>
// CHECK-SAME:   <td><font color="forestgreen">+</font></td>
// CHECK-SAME:   <td align="left"><i>S9</i></td>
// CHECK-SAME:   <td align="left">baz()</td>
// CHECK-SAME:   <td align="left">Undefined</td>
// CHECK-SAME: </tr>
Node0x6 [shape=record,label=
 "{
    {
      "state_id": 7,
      "program_points": [
        {
          "kind": "BlockEntrance", "block_id": 1,
          "terminator": null, "term_kind": null,
          "tag": null, "node_id": 1,
          "has_report": 0, "is_sink": 0
        }
      ],
      "program_state": {
        "store": null,
        "constraints": null,
        "dynamic_types": null,
        "constructing_objects": null,
        "index_of_element": null,
        "checker_messages": null,
        "environment": {
          "pointer": "0x2",
          "items": [
            {
              "location_context": "#0 Call",
              "lctx_id": 3,
              "calling": "foo",
              "location": null,
              "items": [
                {
                  "stmt_id": 9,
                  "pretty": "baz()",
                  "value": "Undefined"
                }
              ]
            }
          ]
        }
      }
    }
\l}"];

Node0x6 -> Node0x9;
// Make sure that the last node in the path is not diffed.
// CHECK: Node0x9 [
// CHECK-SAME: <tr>
// CHECK-SAME:   <td></td>
// CHECK-SAME:   <td align="left"><i>S9</i></td>
// CHECK-SAME:   <td align="left">baz()</td>
// CHECK-SAME:   <td align="left">Undefined</td>
// CHECK-SAME: </tr>
Node0x9 [shape=record,label=
 "{
    {
      "state_id": 7,
      "program_points": [
        {
          "kind": "BlockEntrance", "block_id": 1,
          "terminator": null, "term_kind": null,
          "tag": null, "node_id": 1,
          "has_report": 0, "is_sink": 0
        }
      ],
      "program_state": {
        "store": null,
        "constraints": null,
        "dynamic_types": null,
        "constructing_objects": null,
        "index_of_element": null,
        "checker_messages": null,
        "environment": {
          "pointer": "0x2",
          "items": [
            {
              "location_context": "#0 Call",
              "lctx_id": 3,
              "calling": "foo",
              "location": null,
              "items": [
                {
                  "stmt_id": 9,
                  "pretty": "baz()",
                  "value": "Undefined"
                }
              ]
            }
          ]
        }
      }
    }
\l}"];