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Test Info:
/* Any copyright is dedicated to the Public Domain.
const { MockRegistrar } = ChromeUtils.importESModule(
);
function platformInfo(injectedValue) {
this.platformVersion = injectedValue;
}
platformInfo.prototype = {
platformVersion: "some version",
platformBuildID: "some id",
QueryInterface: ChromeUtils.generateQI(["nsIPlatformInfo"]),
};
add_test(function test_register() {
let localPlatformInfo = {
platformVersion: "local version",
platformBuildID: "local id",
QueryInterface: ChromeUtils.generateQI(["nsIPlatformInfo"]),
};
MockRegistrar.register("@mozilla.org/xre/app-info;1", localPlatformInfo);
Assert.equal(
Cc["@mozilla.org/xre/app-info;1"].createInstance(Ci.nsIPlatformInfo)
.platformVersion,
"local version"
);
run_next_test();
});
add_test(function test_register_with_arguments() {
MockRegistrar.register("@mozilla.org/xre/app-info;1", platformInfo, [
"override",
]);
Assert.equal(
Cc["@mozilla.org/xre/app-info;1"].createInstance(Ci.nsIPlatformInfo)
.platformVersion,
"override"
);
run_next_test();
});
add_test(function test_register_twice() {
MockRegistrar.register("@mozilla.org/xre/app-info;1", platformInfo, [
"override",
]);
Assert.equal(
Cc["@mozilla.org/xre/app-info;1"].createInstance(Ci.nsIPlatformInfo)
.platformVersion,
"override"
);
MockRegistrar.register("@mozilla.org/xre/app-info;1", platformInfo, [
"override again",
]);
Assert.equal(
Cc["@mozilla.org/xre/app-info;1"].createInstance(Ci.nsIPlatformInfo)
.platformVersion,
"override again"
);
run_next_test();
});