summaryrefslogtreecommitdiffstats
path: root/devtools/server/tests/unit/test_breakpoint-03.js
diff options
context:
space:
mode:
Diffstat (limited to 'devtools/server/tests/unit/test_breakpoint-03.js')
-rw-r--r--devtools/server/tests/unit/test_breakpoint-03.js96
1 files changed, 96 insertions, 0 deletions
diff --git a/devtools/server/tests/unit/test_breakpoint-03.js b/devtools/server/tests/unit/test_breakpoint-03.js
new file mode 100644
index 000000000..b1792866b
--- /dev/null
+++ b/devtools/server/tests/unit/test_breakpoint-03.js
@@ -0,0 +1,96 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check that setting a breakpoint on a line without code will skip
+ * forward when we know the script isn't GCed (the debugger is connected,
+ * so it's kept alive).
+ */
+
+var gDebuggee;
+var gClient;
+var gThreadClient;
+var gCallback;
+
+function run_test()
+{
+ run_test_with_server(DebuggerServer, function () {
+ run_test_with_server(WorkerDebuggerServer, do_test_finished);
+ });
+ do_test_pending();
+}
+
+function run_test_with_server(aServer, aCallback)
+{
+ gCallback = aCallback;
+ initTestDebuggerServer(aServer);
+ gDebuggee = addTestGlobal("test-stack", aServer);
+ gClient = new DebuggerClient(aServer.connectPipe());
+ gClient.connect().then(function () {
+ attachTestTabAndResume(gClient,
+ "test-stack",
+ function (aResponse, aTabClient, aThreadClient) {
+ gThreadClient = aThreadClient;
+ test_skip_breakpoint();
+ });
+ });
+}
+
+var test_no_skip_breakpoint = Task.async(function*(source, location) {
+ let [aResponse, bpClient] = yield source.setBreakpoint(
+ Object.assign({}, location, { noSliding: true })
+ );
+
+ do_check_true(!aResponse.actualLocation);
+ do_check_eq(bpClient.location.line, gDebuggee.line0 + 3);
+ yield bpClient.remove();
+});
+
+var test_skip_breakpoint = function() {
+ gThreadClient.addOneTimeListener("paused", Task.async(function *(aEvent, aPacket) {
+ let location = { line: gDebuggee.line0 + 3 };
+ let source = gThreadClient.source(aPacket.frame.where.source);
+
+ // First, make sure that we can disable sliding with the
+ // `noSliding` option.
+ yield test_no_skip_breakpoint(source, location);
+
+ // Now make sure that the breakpoint properly slides forward one line.
+ const [aResponse, bpClient] = yield source.setBreakpoint(location);
+ do_check_true(!!aResponse.actualLocation);
+ do_check_eq(aResponse.actualLocation.source.actor, source.actor);
+ do_check_eq(aResponse.actualLocation.line, location.line + 1);
+
+ gThreadClient.addOneTimeListener("paused", function (aEvent, aPacket) {
+ // Check the return value.
+ do_check_eq(aPacket.type, "paused");
+ do_check_eq(aPacket.frame.where.source.actor, source.actor);
+ do_check_eq(aPacket.frame.where.line, location.line + 1);
+ do_check_eq(aPacket.why.type, "breakpoint");
+ do_check_eq(aPacket.why.actors[0], bpClient.actor);
+ // Check that the breakpoint worked.
+ do_check_eq(gDebuggee.a, 1);
+ do_check_eq(gDebuggee.b, undefined);
+
+ // Remove the breakpoint.
+ bpClient.remove(function (aResponse) {
+ gThreadClient.resume(function () {
+ gClient.close().then(gCallback);
+ });
+ });
+ });
+
+ gThreadClient.resume();
+ }));
+
+ // Use `evalInSandbox` to make the debugger treat it as normal
+ // globally-scoped code, where breakpoint sliding rules apply.
+ Cu.evalInSandbox(
+ "var line0 = Error().lineNumber;\n" +
+ "debugger;\n" + // line0 + 1
+ "var a = 1;\n" + // line0 + 2
+ "// A comment.\n" + // line0 + 3
+ "var b = 2;", // line0 + 4
+ gDebuggee
+ );
+}