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-rw-r--r--js/src/jit-test/tests/debug/Script-getLineOffsets-04.js53
1 files changed, 53 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-getLineOffsets-04.js b/js/src/jit-test/tests/debug/Script-getLineOffsets-04.js
new file mode 100644
index 000000000..8fee27913
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getLineOffsets-04.js
@@ -0,0 +1,53 @@
+// getLineOffsets works with instructions reachable only by breaking out of a loop or switch.
+
+var g = newGlobal();
+g.line0 = null;
+var dbg = Debugger(g);
+var where;
+dbg.onDebuggerStatement = function (frame) {
+ var s = frame.eval("f").return.script;
+ var lineno = g.line0 + where;
+ var offs = s.getLineOffsets(lineno);
+ for (var i = 0; i < offs.length; i++) {
+ assertEq(s.getOffsetLocation(offs[i]).lineNumber, lineno);
+ s.setBreakpoint(offs[i], {hit: function () { g.log += 'B'; }});
+ }
+ g.log += 'A';
+};
+
+function test(s) {
+ var count = (s.split(/\n/).length - 1); // number of newlines in s
+ g.log = '';
+ where = 3 + count + 1;
+ g.eval("line0 = Error().lineNumber;\n" +
+ "debugger;\n" + // line0 + 1
+ "function f(i) {\n" + // line0 + 2
+ s + // line0 + 3 ... line0 + where - 2
+ " log += '?';\n" + // line0 + where - 1
+ " log += '!';\n" + // line0 + where
+ "}\n");
+ g.f(0);
+ assertEq(g.log, 'A?B!');
+}
+
+test("i = 128;\n" +
+ "for (;;) {\n" +
+ " var x = i - 10;;\n" +
+ " if (x < 0)\n" +
+ " break;\n" +
+ " i >>= 2;\n" +
+ "}\n");
+
+test("while (true)\n" +
+ " if (++i === 2) break;\n");
+
+test("do {\n" +
+ " if (++i === 2) break;\n" +
+ "} while (true);\n");
+
+test("switch (i) {\n" +
+ " case 2: return 7;\n" +
+ " case 1: return 8;\n" +
+ " case 0: break;\n" +
+ " default: return -i;\n" +
+ "}\n");