[debug] introduce precise binary code coverage.

test/inspector/cpu-profiler/coverage.js

Index: test/inspector/cpu-profiler/coverage.js
diff --git a/test/inspector/cpu-profiler/coverage.js b/test/inspector/cpu-profiler/coverage.js
index 495b53699531f56ee4c489a14e6178094fbc51b9..b50180e69af125f4572efc663f8e196b4c925dec 100644
--- a/test/inspector/cpu-profiler/coverage.js
+++ b/test/inspector/cpu-profiler/coverage.js
@@ -2,12 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// Flags: --allow-natives-syntax
+
 var source =
 `
 function fib(x) {
   if (x < 2) return 1;
   return fib(x-1) + fib(x-2);
 }
+function is_optimized(f) {
+  return (%GetOptimizationStatus(f) & 16) ? "optimized" : "unoptimized";
+}
 (function iife() {
   return 1;
 })();
@@ -32,7 +37,8 @@ f(3);
 InspectorTest.log("Test collecting code coverage data with Profiler.collectCoverage.");
 
 function ClearAndGC() {
-  return Protocol.Runtime.evaluate({ expression: "fib = null;" }).then(GC);
+  return Protocol.Runtime.evaluate({ expression: "fib = g = f = h = is_optimized = null;" })
+             .then(GC);
 }
 
 function GC() {
@@ -60,9 +66,9 @@ InspectorTest.runTestSuite([
       .then(Protocol.Profiler.takePreciseCoverage)
       .then(LogSorted)
       .then(Protocol.Profiler.stopPreciseCoverage)
-      .then(ClearAndGC)
       .then(Protocol.Profiler.disable)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
   function testPreciseCoverage(next)
@@ -78,10 +84,10 @@ InspectorTest.runTestSuite([
       .then(LogSorted)
       .then(Protocol.Profiler.takePreciseCoverage)
       .then(LogSorted)
-      .then(ClearAndGC)
       .then(Protocol.Profiler.stopPreciseCoverage)
       .then(Protocol.Profiler.disable)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
   function testPreciseCoverageFail(next)
@@ -94,9 +100,9 @@ InspectorTest.runTestSuite([
       .then(ClearAndGC)
       .then(Protocol.Profiler.takePreciseCoverage)
       .then(InspectorTest.logMessage)
-      .then(ClearAndGC)
       .then(Protocol.Profiler.disable)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
   function testBestEffortCoverage(next)
@@ -110,8 +116,8 @@ InspectorTest.runTestSuite([
       .then(LogSorted)
       .then(Protocol.Profiler.getBestEffortCoverage)
       .then(LogSorted)
-      .then(ClearAndGC)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
   function testBestEffortCoveragePrecise(next)
@@ -131,6 +137,7 @@ InspectorTest.runTestSuite([
       .then(Protocol.Profiler.stopPreciseCoverage)
       .then(Protocol.Profiler.disable)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
   function testEnablePreciseCoverageAtPause(next)
@@ -149,9 +156,36 @@ InspectorTest.runTestSuite([
       .then(ClearAndGC)
       .then(Protocol.Profiler.takePreciseCoverage)
       .then(LogSorted)
+      .then(ClearAndGC)
+      .then(Protocol.Profiler.stopPreciseCoverage)
+      .then(Protocol.Profiler.disable)
+      .then(Protocol.Runtime.disable)
+      .then(Protocol.Debugger.disable)
+      .then(ClearAndGC)
+      .then(next);
+  },
+  function testPreciseCoverageBinary(next)
+  {
+    Protocol.Runtime.enable()
+      .then(Protocol.Profiler.enable)
+      .then(() => Protocol.Profiler.startPreciseCoverage({binary: true}))
+      .then(() => Protocol.Runtime.compileScript({ expression: source, sourceURL: "6", persistScript: true }))
+      .then((result) => Protocol.Runtime.runScript({ scriptId: result.result.scriptId }))
+      .then(InspectorTest.logMessage)
+      .then(Protocol.Profiler.takePreciseCoverage)
+      .then(LogSorted)
+      .then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
+      .then(message => InspectorTest.logMessage(message))
+      .then(() => Protocol.Runtime.evaluate({ expression: "fib(20)" }))
+      .then(message => InspectorTest.logMessage(message))
+      .then(() => Protocol.Runtime.evaluate({ expression: "is_optimized(fib)" }))
+      .then(message => InspectorTest.logMessage(message))
+      .then(Protocol.Profiler.takePreciseCoverage)
+      .then(LogSorted)
       .then(Protocol.Profiler.stopPreciseCoverage)
       .then(Protocol.Profiler.disable)
       .then(Protocol.Runtime.disable)
+      .then(ClearAndGC)
       .then(next);
   },
 ]);