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-rw-r--r--js/src/jit-test/tests/debug/Script-getLineOffsets-03.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-getLineOffsets-03.js b/js/src/jit-test/tests/debug/Script-getLineOffsets-03.js
new file mode 100644
index 000000000..d6e3f37cd
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getLineOffsets-03.js
@@ -0,0 +1,36 @@
+// getLineOffsets treats one-line compound statements as having only one entry-point.
+// (A breakpoint on a line that only executes once will only hit once.)
+
+var g = newGlobal();
+g.line0 = null;
+var dbg = Debugger(g);
+var log;
+dbg.onDebuggerStatement = function (frame) {
+ var s = frame.script;
+ var lineno = g.line0 + 2;
+ 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 () { log += 'B'; }});
+ }
+ log += 'A';
+};
+
+function test(s) {
+ log = '';
+ g.eval("line0 = Error().lineNumber;\n" +
+ "debugger;\n" + // line0 + 1
+ s); // line0 + 2
+ assertEq(log, 'AB');
+}
+
+g.i = 0;
+g.j = 0;
+test("{i++; i--; i++; i--; }");
+test("if (i === 0) i++; else i--;");
+test("while (i < 5) i++;");
+test("do --i; while (i > 0);");
+test("for (i = 0; i < 5; i++) j++;");
+test("for (var x in [0, 1, 2]) j++;");
+test("switch (i) { case 0: j = 0; case 1: j = 1; case 2: j = 2; default: j = i; }");
+test("switch (i) { case 'A': j = 0; case 'B': j = 1; case 'C': j = 2; default: j = i; }");