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40 lines
1.5 KiB
JavaScript
40 lines
1.5 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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// Tests that preference helpers work properly with custom types of Float and Json.
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var { PrefsHelper } = require("devtools/client/shared/prefs");
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function test() {
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let originalJson = Services.prefs.getCharPref("devtools.performance.timeline.hidden-markers");
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let originalFloat = Services.prefs.getCharPref("devtools.performance.memory.sample-probability");
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let Prefs = new PrefsHelper("devtools.performance", {
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"float": ["Float", "memory.sample-probability"],
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"json": ["Json", "timeline.hidden-markers"]
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});
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Prefs.registerObserver();
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// Float
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Services.prefs.setCharPref("devtools.performance.timeline.hidden-markers", "{\"a\":1}");
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is(Prefs.json.a, 1, "The JSON pref value is correctly casted on get.");
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Prefs.json = { b: 2 };
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is(Prefs.json.a, undefined, "The JSON pref value is correctly casted on set (1).");
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is(Prefs.json.b, 2, "The JSON pref value is correctly casted on set (2).");
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// Float
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Services.prefs.setCharPref("devtools.performance.memory.sample-probability", "3.14");
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is(Prefs.float, 3.14, "The float pref value is correctly casted on get.");
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Prefs.float = 6.28;
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is(Prefs.float, 6.28, "The float pref value is correctly casted on set.");
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Prefs.unregisterObserver();
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Services.prefs.setCharPref("devtools.performance.timeline.hidden-markers", originalJson);
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Services.prefs.setCharPref("devtools.performance.memory.sample-probability", originalFloat);
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finish();
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}
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