243 lines
7.6 KiB
C
243 lines
7.6 KiB
C
// testEngineJs.c -- Duktape (JavaScript) on a context thread, driven the host way:
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// register natives, open a context, fire-and-forget a script, and calogPump on the
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// host thread. Verifies host-thread dispatch, the inline escape hatch, the sec-10
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// cross-thread callback, the error handler, and concurrent contexts.
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#define _POSIX_C_SOURCE 200809L
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#include "calog.h"
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#include <stdatomic.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#define CHECK(cond, msg) checkImpl((cond), (msg), __FILE__, __LINE__)
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#define PUMP_LIMIT 4000
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static CalogT *calog = NULL;
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static _Atomic int64_t reportedValue = 0;
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static _Atomic uint64_t reportedCtxId = 0xFFFFu;
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static _Atomic uint64_t inlineCtxId = 0xFFFFu;
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static _Atomic int32_t bumpCount = 0;
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static _Atomic bool scriptDone = false;
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static _Atomic int32_t errorCount = 0;
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static _Atomic uint64_t errorCtxId = 0;
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static CalogFnT *_Atomic storedCb = NULL;
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static int32_t testsRun = 0;
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static int32_t testsFailed = 0;
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static void checkImpl(bool condition, const char *message, const char *file, int32_t line);
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static int32_t nativeBump(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData);
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static int32_t nativeDone(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData);
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static int32_t nativeReport(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData);
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static int32_t nativeReportInline(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData);
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static int32_t nativeSetCb(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData);
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static void onError(uint64_t contextId, const char *message, void *userData);
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static void pumpUntilDone(void);
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static void testConcurrentContexts(void);
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static void testCrossThreadCallback(void);
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static void testHostAndInlineNatives(void);
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static void testScriptError(void);
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static void checkImpl(bool condition, const char *message, const char *file, int32_t line) {
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testsRun++;
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if (!condition) {
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testsFailed++;
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printf("FAIL %s:%d %s\n", file, line, message);
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}
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}
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static int32_t nativeBump(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData) {
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(void)args;
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(void)argCount;
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(void)userData;
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atomic_fetch_add(&bumpCount, 1);
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calogValueNil(result);
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return calogOkE;
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}
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static int32_t nativeDone(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData) {
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(void)args;
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(void)argCount;
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(void)userData;
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atomic_store(&scriptDone, true);
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calogValueNil(result);
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return calogOkE;
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}
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static int32_t nativeReport(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData) {
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(void)userData;
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calogValueNil(result);
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if (argCount != 1 || args[0].type != calogIntE) {
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return calogFail(result, calogErrArgE, "report expects one integer");
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}
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atomic_store(&reportedCtxId, calogCurrentId());
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atomic_store(&reportedValue, args[0].as.i);
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return calogOkE;
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}
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static int32_t nativeReportInline(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData) {
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(void)args;
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(void)argCount;
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(void)userData;
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atomic_store(&inlineCtxId, calogCurrentId());
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calogValueNil(result);
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return calogOkE;
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}
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static int32_t nativeSetCb(CalogValueT *args, int32_t argCount, CalogValueT *result, void *userData) {
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(void)userData;
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calogValueNil(result);
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if (argCount != 1 || args[0].type != calogFnE) {
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return calogFail(result, calogErrArgE, "setCb expects one function");
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}
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calogFnRetain(args[0].as.fn);
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atomic_store(&storedCb, args[0].as.fn);
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return calogOkE;
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}
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static void onError(uint64_t contextId, const char *message, void *userData) {
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(void)message;
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(void)userData;
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atomic_store(&errorCtxId, contextId);
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atomic_fetch_add(&errorCount, 1);
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}
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static void pumpUntilDone(void) {
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struct timespec ts = { 0, 500000 };
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int errorsBefore;
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int i;
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errorsBefore = atomic_load(&errorCount);
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for (i = 0; i < PUMP_LIMIT; i++) {
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calogPump(calog);
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if (atomic_load(&scriptDone) || atomic_load(&errorCount) != errorsBefore) {
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calogPump(calog);
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return;
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}
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nanosleep(&ts, NULL);
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}
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}
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static void testHostAndInlineNatives(void) {
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CalogContextT *ctx;
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ctx = calogContextOpen(calog, &calogJsEngine);
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CHECK(ctx != NULL, "opened a JS context");
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atomic_store(&scriptDone, false);
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calogContextEval(ctx, "report(42); reportInline(1); done();");
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pumpUntilDone();
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CHECK(atomic_load(&reportedValue) == 42, "host native received the argument");
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CHECK(atomic_load(&reportedCtxId) == 0, "default native ran on the host thread (id 0)");
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CHECK(atomic_load(&inlineCtxId) == calogContextId(ctx), "inline native ran on the script's own thread");
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calogContextClose(ctx);
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}
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static void testCrossThreadCallback(void) {
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CalogContextT *ctx;
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CalogFnT *callback;
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CalogValueT arg;
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CalogValueT result;
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int32_t status;
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ctx = calogContextOpen(calog, &calogJsEngine);
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atomic_store(&scriptDone, false);
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atomic_store(&storedCb, NULL);
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calogContextEval(ctx, "setCb(function(x) { return x + 100; }); done();");
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pumpUntilDone();
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callback = atomic_load(&storedCb);
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CHECK(callback != NULL, "a JS closure was captured as a CalogFnT");
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calogValueInt(&arg, 7);
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status = calogFnInvoke(callback, &arg, 1, &result);
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CHECK(status == calogOkE && result.type == calogIntE && result.as.i == 107, "cross-thread callable invoke routed to the owner");
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calogValueFree(&result);
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calogValueFree(&arg);
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calogFnRelease(callback);
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calogContextClose(ctx);
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}
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static void testScriptError(void) {
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CalogContextT *ctx;
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int32_t before;
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ctx = calogContextOpen(calog, &calogJsEngine);
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before = atomic_load(&errorCount);
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atomic_store(&scriptDone, false);
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calogContextEval(ctx, "@@@ not valid js @@@");
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pumpUntilDone();
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CHECK(atomic_load(&errorCount) == before + 1, "a fire-and-forget script error reached the error handler");
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CHECK(atomic_load(&errorCtxId) == calogContextId(ctx), "the error names the failing context");
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calogContextClose(ctx);
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}
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static void testConcurrentContexts(void) {
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CalogContextT *ctxs[3];
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struct timespec ts = { 0, 500000 };
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int32_t i;
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atomic_store(&bumpCount, 0);
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for (i = 0; i < 3; i++) {
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ctxs[i] = calogContextOpen(calog, &calogJsEngine);
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calogContextEval(ctxs[i], "bump(); bump(); bump();");
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}
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for (i = 0; i < PUMP_LIMIT && atomic_load(&bumpCount) < 9; i++) {
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calogPump(calog);
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nanosleep(&ts, NULL);
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}
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CHECK(atomic_load(&bumpCount) == 9, "three concurrent contexts all dispatched to the host thread");
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for (i = 0; i < 3; i++) {
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calogContextClose(ctxs[i]);
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}
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}
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int main(void) {
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calog = calogCreate();
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if (calog == NULL) {
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printf("calog create failed\n");
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return 1;
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}
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calogSetErrorHandler(calog, onError, NULL);
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calogRegister(calog, "report", nativeReport, NULL);
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calogRegister(calog, "setCb", nativeSetCb, NULL);
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calogRegister(calog, "done", nativeDone, NULL);
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calogRegister(calog, "bump", nativeBump, NULL);
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calogRegisterInline(calog, "reportInline", nativeReportInline, NULL);
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testHostAndInlineNatives();
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testCrossThreadCallback();
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testScriptError();
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testConcurrentContexts();
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calogDestroy(calog);
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printf("\n%d checks, %d failed\n", testsRun, testsFailed);
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fflush(stdout);
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if (testsFailed != 0) {
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return 1;
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}
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return 0;
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}
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