public void test_removeEldestEntry_lruReplacement() {
PageState.maxPageStates = 3;
Config.setDataset("main", new Dataset("maxPageStates", "4"));
PageState.getPageState(cr, "id1", true);
PageState.getPageState(cr, "id2", true);
PageState.getPageState(cr, "id3", true);
assertEquals("page ids before replacement", "id1, id2, id3", getPageIds(cr));
PageState.getPageState(cr, "id4", true);
assertEquals("page ids after replacement", "id2, id3, id4", getPageIds(cr));
}
public void test_removeEldestEntry_maxPageStatesNotDefined() {
PageState.maxPageStates = -1;
Config.setDataset("main", new Dataset());
boolean gotException = false;
try {
PageState.getPageState(cr, "id123", true);
} catch (Dataset.MissingValueError e) {
assertEquals(
"exception message", "couldn't find dataset element \"maxPageStates\"", e.getMessage());
gotException = true;
}
assertEquals("exception happened", true, gotException);
}
public void test_removeEldestEntry_maxPageStatesValueBogus() {
PageState.maxPageStates = -1;
Config.setDataset("main", new Dataset("maxPageStates", "7bogus8"));
boolean gotException = false;
try {
PageState.getPageState(cr, "id123", true);
} catch (InternalError e) {
assertEquals(
"exception message",
"bad value \"7bogus8\" for maxPageStates configuration " + "option: must be an integer",
e.getMessage());
gotException = true;
}
assertEquals("exception happened", true, gotException);
}
public void test_removeEldestEntry_setMaxPageStates() {
PageState.maxPageStates = -1;
Config.setDataset("main", new Dataset("maxPageStates", "7"));
PageState.getPageState(cr, "id123", true);
assertEquals("maxPageStates", 7, PageState.maxPageStates);
}