Move RCTJSCExecutorTests to ReactKitBenchmarks

Reviewed By: jspahrsummers

Differential Revision: D3192966

fb-gh-sync-id: 2c0caef1217545a131396326546d610e345db597
fbshipit-source-id: 2c0caef1217545a131396326546d610e345db597

Examples/UIExplorer/UIExplorerUnitTests/RCTJSCExecutorTests.m

@@ -19,8 +19,6 @@
 #import "RCTJSCExecutor.h"
 #import "RCTUtils.h"
 
-#define RUN_PERF_TESTS 0
-
 @interface RCTJSCExecutorTests : XCTestCase
 
 @end
@@ -49,164 +47,4 @@
   [_executor invalidate];
 }
 
-#if RUN_PERF_TESTS
-
-static uint64_t _get_time_nanoseconds(void)
-{
-  static struct mach_timebase_info tb_info = {0, 0};
-  static dispatch_once_t onceToken;
-  dispatch_once(&onceToken, ^{
-    int ret = mach_timebase_info(&tb_info);
-    assert(0 == ret);
-  });
-
-  return (mach_absolute_time() * tb_info.numer) / tb_info.denom;
-}
-
-- (void)testDeserializationPerf
-{
-  // This test case checks the assumption that deserializing objects from JavaScript
-  // values one-by-one via ObjC JSC API is slower than using JSON string
-  // You might want to switch your tests schema to "Release" build configuration
-
-  JSContextGroupRef group = JSContextGroupCreate();
-  JSGlobalContextRef context = JSGlobalContextCreateInGroup(group, NULL);
-  id message = @[@[@1, @2, @3, @4], @[@{@"a": @1}, @{@"b": @2}], (id)kCFNull];
-  NSString *code = RCTJSONStringify(message, NULL);
-  JSStringRef script = JSStringCreateWithCFString((__bridge CFStringRef)code);
-  JSValueRef error = NULL;
-  JSValueRef value = JSEvaluateScript(context, script, NULL, NULL, 0, &error);
-  XCTAssertTrue(error == NULL);
-
-  id obj;
-  uint64_t start = _get_time_nanoseconds();
-  for (int i = 0; i < 10000; i++) {
-    JSStringRef jsonJSString = JSValueCreateJSONString(context, value, 0, nil);
-    NSString *jsonString = (__bridge NSString *)JSStringCopyCFString(kCFAllocatorDefault, jsonJSString);
-    JSStringRelease(jsonJSString);
-
-    obj = RCTJSONParse(jsonString, NULL);
-  }
-  NSLog(@"JSON Parse time: %.2fms", (_get_time_nanoseconds() - start) / 1000000.0);
-
-  JSStringRelease(script);
-  JSGlobalContextRelease(context);
-  JSContextGroupRelease(group);
-}
-
-- (void)testJavaScriptCallSpeed
-{
-/**
- * Since we almost don't change the RCTJSCExecutor logic, and this test is
- * very likely to become flaky (specially across different devices) leave it
- * to be run manually
- *
- * Previous Values: If you change the executor code, you should update this values
- */
-
-  int const runs = 4e5;
-  int const frequency = 10;
-  double const threshold = 0.1;
-  static double const expectedTimes[] = {
-    0x1.6199943826cf1p+13,
-    0x1.a3bc0a81551c3p+13,
-    0x1.d49fbb8602fe3p+13,
-    0x1.d1f64085ecb7bp+13,
-  };
-
-  dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
-  NSString *script = @" \
-    var modules = { \
-      module: { \
-        method: function () { \
-          return true; \
-        } \
-      } \
-    }; \
-    var Bridge = { \
-      callFunctionReturnFlushedQueue: function(module, method, args) { \
-        modules[module].apply(modules[module], args); \
-      } \
-    }; \
-    function require(module) { \
-      return Bridge; \
-    } \
-  ";
-
-  [_executor executeApplicationScript:[script dataUsingEncoding:NSUTF8StringEncoding] sourceURL:[NSURL URLWithString:@"http://localhost:8081/"] onComplete:^(__unused NSError *error) {
-    NSMutableArray *params = [NSMutableArray new];
-    id data = @1;
-    for (int i = 0; i < 4; i++) {
-      double samples[runs / frequency];
-      int size = runs / frequency;
-      double total = 0;
-      for (int j = 0; j < runs; j++) {
-        @autoreleasepool {
-          double start = _get_time_nanoseconds();
-          [_executor callFunctionOnModule:@"module"
-                                   method:@"method"
-                                arguments:params
-                                 callback:^(__unused id json, __unused NSError *unused) {
-                                 }];
-          double run = _get_time_nanoseconds() - start;
-          if ((j % frequency) == frequency - 1) { // Warmup
-            total += run;
-            samples[j/frequency] = run;
-          }
-        }
-      }
-
-      double mean = total / size;
-      double variance = 0;
-
-      for (int j = 0; j < size; j++) {
-        variance += pow(samples[j] - mean, 2);
-      }
-      variance /= size;
-
-      double standardDeviation = sqrt(variance);
-      double marginOfError = standardDeviation * 1.645;
-
-      double lower = mean - marginOfError;
-      double upper = mean + marginOfError;
-
-      int s = 0;
-      total = 0;
-      for (int j = 0; j < size; j++) {
-        double v = samples[j];
-        if (v >= lower && v <= upper) {
-          samples[s++] = v;
-          total += v;
-        }
-      }
-      mean = total / s;
-
-      lower = mean * (1.0 - threshold);
-      upper = mean * (1.0 + threshold);
-
-      double expected = expectedTimes[i];
-
-      NSLog(@"Previous: %lf, New: %f -> %a", expected, mean, mean);
-      if (upper < expected) {
-        NSLog(@"You made JS calls with %d argument(s) %.2lf%% faster :) - Remember to update the tests with the new value: %a",
-                      i, (1 - (double)mean / expected) * 100, mean);
-      }
-
-
-      XCTAssertTrue(lower < expected, @"You made JS calls with %d argument(s) %.2lf%% slower :( - If that's *really* necessary, update the tests with the new value: %a",
-        i, ((double)mean / expected - 1) * 100, mean);
-
-      [params addObject:data];
-    }
-    dispatch_semaphore_signal(semaphore);
-  }];
-
-  while (dispatch_semaphore_wait(semaphore, DISPATCH_TIME_NOW)) {
-    [[NSRunLoop currentRunLoop] runMode:NSDefaultRunLoopMode
-                             beforeDate:[NSDate dateWithTimeIntervalSinceNow:10]];
-  }
-}
-
-#endif
-
 @end