1 files changed, 63 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-startLine.js b/js/src/jit-test/tests/debug/Script-startLine.js
new file mode 100644
index 0000000000..baf27427e1
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-startLine.js
@@ -0,0 +1,63 @@
+var g = newGlobal({newCompartment: true});
+var dbg = Debugger(g);
+var start, count;
+dbg.onDebuggerStatement = function (frame) {
+    assertEq(start, undefined);
+    start = frame.script.startLine;
+    count = frame.script.lineCount;
+    assertEq(typeof frame.script.url, 'string');
+};
+
+function test(f, manualCount) {
+    start = count = g.first = g.last = undefined;
+    f();
+    if (manualCount)
+        g.last = g.first + manualCount - 1;
+    assertEq(start, g.first);
+    assertEq(count, g.last + 1 - g.first);
+    print(start, count);
+}
+
+test(function () {
+    g.eval("first = Error().lineNumber;\n" +
+           "debugger;\n" +
+           "last = Error().lineNumber;");
+});
+
+test(function () {
+    g.evaluate("first = Error().lineNumber;\n" +
+               "debugger;\n" +
+               Array(17000).join("\n") +
+               "last = Error().lineNumber;");
+});
+
+test(function () {
+    g.eval("function f1() { first = Error().lineNumber\n" +
+           "    debugger;\n" +
+           "    last = Error().lineNumber; }\n" +
+           "f1();");
+});
+
+g.eval("function f2() {\n" +
+       "    eval('first = Error().lineNumber\\n\\ndebugger;\\n\\nlast = Error().lineNumber;');\n" +
+       "}\n");
+test(g.f2);
+test(g.f2);
+
+// Having a last = Error().lineNumber forces a setline srcnote, so test a
+// function that ends with newline srcnotes.
+g.eval("/* Any copyright is dedicated to the Public Domain.\n" +
+       " http://creativecommons.org/publicdomain/zero/1.0/ */\n" +
+       "\n" +
+       "function secondCall() { first = Error().lineNumber;\n" +
+       "    debugger;\n" +
+       "    // Comment\n" +
+       "    eval(\"42;\");\n" +
+       "    function foo() {}\n" +
+       "    if (true) {\n" +
+       "        foo();\n" +
+       // The "missing" newline here is a trick to make a newline
+       // source note come at the end.  A real newline between the two
+       // closing braces causes a setline note instead.
+       "    } }");
+test(g.secondCall, 8);