91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
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// 8 june 2019
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#include "test.h"
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struct counts {
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unsigned int countInit;
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unsigned int countFree;
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};
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struct testImplData {
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struct counts *counts;
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};
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static struct counts failInit;
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static void *testControlFailInit = &failInit;
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// TODO document that impl data is zero-initialized before this is called
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// TODO we'll also have to eventually deal with the fact that NULL is not required to be 0... or at least confirm that
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static bool testVtableInit(uiControl *c, void *implData, void *initData)
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{
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struct testImplData *d = (struct testImplData *) implData;
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struct counts *counts = (struct counts *) initData;
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if (initData == testControlFailInit)
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return false;
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if (initData == NULL)
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return true;
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if (d->counts == NULL)
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d->counts = counts;
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d->counts->countInit++;
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if (d->counts->countInit > 2)
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d->counts->countInit = 2;
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return true;
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}
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static void testVtableFree(uiControl *c, void *implData)
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{
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struct testImplData *d = (struct testImplData *) implData;
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if (d->counts != NULL) {
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d->counts->countFree++;
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if (d->counts->countFree > 2)
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d->counts->countFree = 2;
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}
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}
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static const uiControlVtable vtable = {
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.Size = sizeof (uiControlVtable),
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.Init = testVtableInit,
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.Free = testVtableFree,
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};
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// TODO explicitly make/document 0 as always invalid
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static uint32_t testControlType = 0;
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Test(ControlMethodsCalled)
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{
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uiControl *c;
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struct counts counts;
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testControlType = uiRegisterControlType("TestControl2", &vtable, testOSVtable(), sizeof (struct testImplData));
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memset(&counts, 0, sizeof (struct counts));
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c = uiNewControl(testControlType, &counts);
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switch (counts.countInit) {
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case 0:
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TestErrorf("Init() was not called");
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break;
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case 1:
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// do nothing; this is the expected case
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break;
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default:
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TestErrorf("Init() called more than once");
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}
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if (counts.countFree != 0)
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TestErrorf("Free() called unexpectedly by uiNewControl()");
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uiControlFree(c);
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switch (counts.countFree) {
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case 0:
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TestErrorf("Free() was not called");
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break;
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case 1:
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// do nothing; this is the expected case
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break;
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default:
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TestErrorf("Free() called more than once");
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}
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if (counts.countInit != 1)
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TestErrorf("Init() called unexpectedly by uiControlFree()");
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}
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