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tubestation/devtools/server/tests/unit/test_sourcemaps-03.js

140 lines
4.5 KiB
JavaScript

/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Check setting breakpoints in source mapped sources.
*/
var gDebuggee;
var gClient;
var gThreadClient;
const {SourceNode} = require("source-map");
function run_test() {
initTestDebuggerServer();
gDebuggee = addTestGlobal("test-source-map");
gClient = new DebuggerClient(DebuggerServer.connectPipe());
gClient.connect().then(function () {
attachTestTabAndResume(gClient, "test-source-map",
function (response, tabClient, threadClient) {
gThreadClient = threadClient;
test_simple_source_map();
});
});
do_test_pending();
}
function testBreakpointMapping(name, callback) {
Task.spawn(function* () {
let response = yield waitForPause(gThreadClient);
do_check_eq(response.why.type, "debuggerStatement");
const source = yield getSource(gThreadClient, "http://example.com/www/js/" + name + ".js");
response = yield setBreakpoint(source, {
// Setting the breakpoint on an empty line so that it is pushed down one
// line and we can check the source mapped actualLocation later.
line: 3
});
// Should not slide breakpoints for sourcemapped sources
do_check_true(!response.actualLocation);
yield setBreakpoint(source, { line: 4 });
// The eval will cause us to resume, then we get an unsolicited pause
// because of our breakpoint, we resume again to finish the eval, and
// finally receive our last pause which has the result of the client
// evaluation.
response = yield gThreadClient.eval(null, name + "()");
do_check_eq(response.type, "resumed");
response = yield waitForPause(gThreadClient);
do_check_eq(response.why.type, "breakpoint");
// Assert that we paused because of the breakpoint at the correct
// location in the code by testing that the value of `ret` is still
// undefined.
do_check_eq(response.frame.environment.bindings.variables.ret.value.type,
"undefined");
response = yield resume(gThreadClient);
response = yield waitForPause(gThreadClient);
do_check_eq(response.why.type, "clientEvaluated");
do_check_eq(response.why.frameFinished.return, name);
response = yield resume(gThreadClient);
callback();
});
gDebuggee.eval("(" + function () {
debugger;
} + "());");
}
function test_simple_source_map() {
let expectedSources = new Set([
"http://example.com/www/js/a.js",
"http://example.com/www/js/b.js",
"http://example.com/www/js/c.js"
]);
gThreadClient.addListener("newSource", function _onNewSource(event, packet) {
expectedSources.delete(packet.source.url);
if (expectedSources.size > 0) {
return;
}
gThreadClient.removeListener("newSource", _onNewSource);
function finish() {
finishClient(gClient);
}
testBreakpointMapping("a", function () {
testBreakpointMapping("b", function () {
testBreakpointMapping("c", finish);
});
});
});
let a = new SourceNode(null, null, null, [
new SourceNode(1, 0, "a.js", "function a() {\n"),
new SourceNode(2, 0, "a.js", " var ret;\n"),
new SourceNode(3, 0, "a.js", " // Empty line\n"),
new SourceNode(4, 0, "a.js", " ret = 'a';\n"),
new SourceNode(5, 0, "a.js", " return ret;\n"),
new SourceNode(6, 0, "a.js", "}\n")
]);
let b = new SourceNode(null, null, null, [
new SourceNode(1, 0, "b.js", "function b() {\n"),
new SourceNode(2, 0, "b.js", " var ret;\n"),
new SourceNode(3, 0, "b.js", " // Empty line\n"),
new SourceNode(4, 0, "b.js", " ret = 'b';\n"),
new SourceNode(5, 0, "b.js", " return ret;\n"),
new SourceNode(6, 0, "b.js", "}\n")
]);
let c = new SourceNode(null, null, null, [
new SourceNode(1, 0, "c.js", "function c() {\n"),
new SourceNode(2, 0, "c.js", " var ret;\n"),
new SourceNode(3, 0, "c.js", " // Empty line\n"),
new SourceNode(4, 0, "c.js", " ret = 'c';\n"),
new SourceNode(5, 0, "c.js", " return ret;\n"),
new SourceNode(6, 0, "c.js", "}\n")
]);
let { code, map } = (new SourceNode(null, null, null, [
a, b, c
])).toStringWithSourceMap({
file: "http://example.com/www/js/abc.js",
sourceRoot: "http://example.com/www/js/"
});
code += "//# sourceMappingURL=data:text/json;base64," + btoa(map.toString());
Components.utils.evalInSandbox(code, gDebuggee, "1.8",
"http://example.com/www/js/abc.js", 1);
}