summaryrefslogtreecommitdiffstats
path: root/js/src/jit-test/tests/debug/Script-getLineOffsets-05.js
diff options
context:
space:
mode:
Diffstat (limited to 'js/src/jit-test/tests/debug/Script-getLineOffsets-05.js')
-rw-r--r--js/src/jit-test/tests/debug/Script-getLineOffsets-05.js65
1 files changed, 65 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Script-getLineOffsets-05.js b/js/src/jit-test/tests/debug/Script-getLineOffsets-05.js
new file mode 100644
index 000000000..f2f65a232
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Script-getLineOffsets-05.js
@@ -0,0 +1,65 @@
+// getLineOffsets identifies multiple ways to land on a line.
+
+var g = newGlobal();
+g.line0 = null;
+var dbg = Debugger(g);
+var where;
+dbg.onDebuggerStatement = function (frame) {
+ var s = frame.script, lineno, offs;
+
+ lineno = g.line0 + where;
+ 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'; }});
+ }
+
+ lineno++;
+ 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 += 'C'; }});
+ }
+
+ g.log += 'A';
+};
+
+function test(s) {
+ assertEq(s.charAt(s.length - 1), '\n');
+ var count = (s.split(/\n/).length - 1); // number of lines in s
+ g.log = '';
+ where = 1 + count;
+ g.eval("line0 = Error().lineNumber;\n" +
+ "debugger;\n" + // line0 + 1
+ s + // line0 + 2 ... line0 + where
+ "log += 'D';\n");
+ assertEq(g.log, 'AB!CD');
+}
+
+// if-statement with yes and no paths on a single line
+g.i = 0;
+test("if (i === 0)\n" +
+ " log += '!'; else log += 'X';\n");
+test("if (i === 2)\n" +
+ " log += 'X'; else log += '!';\n");
+
+// break to a line that has code inside and outside the loop
+g.i = 2;
+test("while (1) {\n" +
+ " if (i === 2) break;\n" +
+ " log += 'X'; } log += '!';\n");
+
+// leaving a while loop by failing the test, when the last line has stuff both inside and outside the loop
+g.i = 0;
+test("while (i > 0) {\n" +
+ " if (i === 70) log += 'X';\n" +
+ " --i; } log += '!';\n");
+
+// multiple case-labels on the same line
+g.i = 0;
+test("switch (i) {\n" +
+ " case 0: case 1: log += '!'; break; }\n");
+test("switch ('' + i) {\n" +
+ " case '0': case '1': log += '!'; break; }\n");
+test("switch (i) {\n" +
+ " case 'ok' + i: case i - i: log += '!'; break; }\n");