more tests

test/core/assert.test.js

@@ -8,11 +8,24 @@ describe("assert", function() {
     function condition2() {
       return true;
     }
-    var p1 = Parsimmon.string("a").assert(condition1, "parsing error");
-    var p2 = Parsimmon.string("a").assert(condition2, "parsing error");
-    assert.deepEqual(p1.parse("a").status, false);
-    assert.deepEqual(p1.parse("a").expected, ["parsing error"]);
-    assert.deepEqual(p2.parse("a").status, true);
-    assert.deepEqual(p2.parse("a").value, "a");
+    var p0 = Parsimmon.string("a");
+    var p1 = p0.assert(condition1, "parsing error");
+    var p2 = p0.assert(condition2, "parsing error");
+    assert.deepEqual(p1.parse("a"), {
+      status: false,
+      expected: ["parsing error"],
+      index: { offset: 1, line: 1, column: 2 }
+    });
+    assert.deepEqual(p1.parse("b"), {
+      status: false,
+      expected: ["'a'"],
+      index: { offset: 0, line: 1, column: 1 }
+    });
+    assert.deepEqual(p2.parse("a"), { status: true, value: "a" });
+    assert.deepEqual(p2.parse("b"), {
+      status: false,
+      expected: ["'a'"],
+      index: { offset: 0, line: 1, column: 1 }
+    });
   });
 });