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Commit 63eeab12 authored by mstarzinger's avatar mstarzinger Committed by Commit bot
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Make TestInternalWeakLists more robust against flags. 

This makes some tests in test-heap.cc more robust against flags, now
that top-level code can be optimized by the --always-opt flag.

R=hpayer@chromium.org
TEST=cctest/test-heap/TestInternalWeakLists

Review URL: https://codereview.chromium.org/1071063004

Cr-Commit-Position: refs/heads/master@{#27699}
parent 8392d9c4
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Showing with 55 additions and 56 deletions
test/cctest/cctest.status
View file @ 63eeab12
......@@ -107,12 +107,6 @@
# optimized and hence scripts don't "return" the correct value. Fix this.
'test-compiler/CompileFunctionInContext*': [PASS, NO_VARIANTS],
# TODO(mstarzinger): These tests count the number of optimized code objects
# and therefore break because top-level code is optimized. Fix the tests.
'test-heap/NextCodeLinkIsWeak': [PASS, NO_VARIANTS],
'test-heap/TestInternalWeakLists': [PASS, NO_VARIANTS],
'test-heap/TestInternalWeakListsTraverseWithGC': [PASS, NO_VARIANTS],
# TODO(mstarzinger): Crankshaft doesn't fire interceptors as expected.
'test-api-interceptors/PrePropertyHandler': [PASS, NO_VARIANTS],
......
test/cctest/test-heap.cc
View file @ 63eeab12
......@@ -1434,6 +1434,19 @@ TEST(CompilationCacheCachingBehavior) {
}
static void OptimizeEmptyFunction(const char* name) {
HandleScope scope(CcTest::i_isolate());
EmbeddedVector<char, 256> source;
SNPrintF(source,
"function %s() { return 0; }"
"%s(); %s();"
"%%OptimizeFunctionOnNextCall(%s);"
"%s();",
name, name, name, name, name);
CompileRun(source.start());
}
// Count the number of native contexts in the weak list of native contexts.
int CountNativeContexts() {
int count = 0;
......@@ -1461,6 +1474,8 @@ static int CountOptimizedUserFunctions(v8::Handle<v8::Context> context) {
TEST(TestInternalWeakLists) {
FLAG_always_opt = false;
FLAG_allow_natives_syntax = true;
v8::V8::Initialize();
// Some flags turn Scavenge collections into Mark-sweep collections
......@@ -1474,6 +1489,7 @@ TEST(TestInternalWeakLists) {
Heap* heap = isolate->heap();
HandleScope scope(isolate);
v8::Handle<v8::Context> ctx[kNumTestContexts];
if (!isolate->use_crankshaft()) return;
CHECK_EQ(0, CountNativeContexts());
......@@ -1486,32 +1502,24 @@ TEST(TestInternalWeakLists) {
isolate->compilation_cache()->Clear();
heap->CollectAllGarbage(Heap::kNoGCFlags);
bool opt = (FLAG_always_opt && isolate->use_crankshaft());
CHECK_EQ(i + 1, CountNativeContexts());
ctx[i]->Enter();
// Create a handle scope so no function objects get stuch in the outer
// handle scope
// Create a handle scope so no function objects get stuck in the outer
// handle scope.
HandleScope scope(isolate);
const char* source = "function f1() { };"
"function f2() { };"
"function f3() { };"
"function f4() { };"
"function f5() { };";
CompileRun(source);
CHECK_EQ(0, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f1()");
CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f2()");
CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f3()");
CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f4()");
CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f5()");
CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i]));
OptimizeEmptyFunction("f1");
CHECK_EQ(1, CountOptimizedUserFunctions(ctx[i]));
OptimizeEmptyFunction("f2");
CHECK_EQ(2, CountOptimizedUserFunctions(ctx[i]));
OptimizeEmptyFunction("f3");
CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
OptimizeEmptyFunction("f4");
CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
OptimizeEmptyFunction("f5");
CHECK_EQ(5, CountOptimizedUserFunctions(ctx[i]));
// Remove function f1, and
CompileRun("f1=null");
......@@ -1519,29 +1527,29 @@ TEST(TestInternalWeakLists) {
// Scavenge treats these references as strong.
for (int j = 0; j < 10; j++) {
CcTest::heap()->CollectGarbage(NEW_SPACE);
CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(5, CountOptimizedUserFunctions(ctx[i]));
}
// Mark compact handles the weak references.
isolate->compilation_cache()->Clear();
heap->CollectAllGarbage(Heap::kNoGCFlags);
CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
// Get rid of f3 and f5 in the same way.
CompileRun("f3=null");
for (int j = 0; j < 10; j++) {
CcTest::heap()->CollectGarbage(NEW_SPACE);
CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(4, CountOptimizedUserFunctions(ctx[i]));
}
CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
CompileRun("f5=null");
for (int j = 0; j < 10; j++) {
CcTest::heap()->CollectGarbage(NEW_SPACE);
CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(3, CountOptimizedUserFunctions(ctx[i]));
}
CcTest::heap()->CollectAllGarbage(Heap::kNoGCFlags);
CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[i]));
CHECK_EQ(2, CountOptimizedUserFunctions(ctx[i]));
ctx[i]->Exit();
}
......@@ -1612,13 +1620,16 @@ static int CountOptimizedUserFunctionsWithGC(v8::Handle<v8::Context> context,
TEST(TestInternalWeakListsTraverseWithGC) {
FLAG_always_opt = false;
FLAG_allow_natives_syntax = true;
v8::V8::Initialize();
Isolate* isolate = CcTest::i_isolate();
static const int kNumTestContexts = 10;
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
v8::Handle<v8::Context> ctx[kNumTestContexts];
if (!isolate->use_crankshaft()) return;
CHECK_EQ(0, CountNativeContexts());
......@@ -1630,33 +1641,26 @@ TEST(TestInternalWeakListsTraverseWithGC) {
CHECK_EQ(i + 1, CountNativeContextsWithGC(isolate, i / 2 + 1));
}
bool opt = (FLAG_always_opt && isolate->use_crankshaft());
ctx[0]->Enter();
// Compile a number of functions the length of the weak list of optimized
// functions both with and without GCs while iterating the list.
ctx[0]->Enter();
const char* source = "function f1() { };"
"function f2() { };"
"function f3() { };"
"function f4() { };"
"function f5() { };";
CompileRun(source);
CHECK_EQ(0, CountOptimizedUserFunctions(ctx[0]));
CompileRun("f1()");
CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(opt ? 1 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
CompileRun("f2()");
CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(opt ? 2 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
CompileRun("f3()");
CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(opt ? 3 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
CompileRun("f4()");
CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(opt ? 4 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 2));
CompileRun("f5()");
CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(opt ? 5 : 0, CountOptimizedUserFunctionsWithGC(ctx[0], 4));
OptimizeEmptyFunction("f1");
CHECK_EQ(1, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(1, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
OptimizeEmptyFunction("f2");
CHECK_EQ(2, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(2, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
OptimizeEmptyFunction("f3");
CHECK_EQ(3, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(3, CountOptimizedUserFunctionsWithGC(ctx[0], 1));
OptimizeEmptyFunction("f4");
CHECK_EQ(4, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(4, CountOptimizedUserFunctionsWithGC(ctx[0], 2));
OptimizeEmptyFunction("f5");
CHECK_EQ(5, CountOptimizedUserFunctions(ctx[0]));
CHECK_EQ(5, CountOptimizedUserFunctionsWithGC(ctx[0], 4));
ctx[0]->Exit();
}
......@@ -4391,6 +4395,7 @@ static int GetCodeChainLength(Code* code) {
TEST(NextCodeLinkIsWeak) {
i::FLAG_always_opt = false;
i::FLAG_allow_natives_syntax = true;
i::FLAG_turbo_deoptimization = true;
CcTest::InitializeVM();
......
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