c9a49da0d8
Replace the --turbo-deoptimization flag with --turbo-asm-deoptimization and enable deoptimization for non-asm.js TurboFan code unconditionally. R=jarin@chromium.org Review URL: https://codereview.chromium.org/1153483002 Cr-Commit-Position: refs/heads/master@{#28543}
297 lines
6.8 KiB
C++
297 lines
6.8 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "test/cctest/compiler/function-tester.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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TEST(Throw) {
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i::FLAG_turbo_exceptions = true;
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FunctionTester T("(function(a,b) { if (a) { throw b; } else { return b; }})");
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// TODO(mstarzinger)
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#if 0
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T.CheckThrows(T.true_value(), T.NewObject("new Error"));
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#endif
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T.CheckCall(T.Val(23), T.false_value(), T.Val(23));
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}
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TEST(ThrowMessagePosition) {
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i::FLAG_turbo_exceptions = true;
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static const char* src =
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"(function(a, b) { \n"
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" if (a == 1) throw 1; \n"
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" if (a == 2) {throw 2} \n"
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" if (a == 3) {0;throw 3}\n"
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" throw 4; \n"
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"}) ";
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FunctionTester T(src);
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v8::Handle<v8::Message> message;
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message = T.CheckThrowsReturnMessage(T.Val(1), T.undefined());
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CHECK_EQ(2, message->GetLineNumber());
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CHECK_EQ(40, message->GetStartPosition());
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message = T.CheckThrowsReturnMessage(T.Val(2), T.undefined());
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CHECK_EQ(3, message->GetLineNumber());
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CHECK_EQ(67, message->GetStartPosition());
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message = T.CheckThrowsReturnMessage(T.Val(3), T.undefined());
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CHECK_EQ(4, message->GetLineNumber());
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CHECK_EQ(95, message->GetStartPosition());
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}
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TEST(ThrowMessageDirectly) {
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i::FLAG_turbo_exceptions = true;
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static const char* src =
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"(function(a, b) {"
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" if (a) { throw b; } else { throw new Error(b); }"
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"})";
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FunctionTester T(src);
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v8::Handle<v8::Message> message;
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// TODO(mstarzinger)
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#if 0
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message = T.CheckThrowsReturnMessage(T.false_value(), T.Val("Wat?"));
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CHECK(message->Get()->Equals(v8_str("Uncaught Error: Wat?")));
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message = T.CheckThrowsReturnMessage(T.true_value(), T.Val("Kaboom!"));
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CHECK(message->Get()->Equals(v8_str("Uncaught Kaboom!")));
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#endif
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}
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TEST(ThrowMessageIndirectly) {
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i::FLAG_turbo_exceptions = true;
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static const char* src =
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"(function(a, b) {"
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" try {"
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" if (a) { throw b; } else { throw new Error(b); }"
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" } finally {"
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" try { throw 'clobber'; } catch (e) { 'unclobber'; }"
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" }"
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"})";
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FunctionTester T(src);
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v8::Handle<v8::Message> message;
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// TODO(mstarzinger)
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#if 0
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message = T.CheckThrowsReturnMessage(T.false_value(), T.Val("Wat?"));
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CHECK(message->Get()->Equals(v8_str("Uncaught Error: Wat?")));
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message = T.CheckThrowsReturnMessage(T.true_value(), T.Val("Kaboom!"));
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CHECK(message->Get()->Equals(v8_str("Uncaught Kaboom!")));
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#endif
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}
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// TODO(mstarzinger): Increase test coverage by having similar tests within the
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// mjsunit suite to also test integration with other components (e.g. OSR).
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TEST(Catch) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(a,b) {"
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" var r = '-';"
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" try {"
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" r += 'A-';"
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" throw 'B-';"
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" } catch (e) {"
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" r += e;"
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" }"
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" return r;"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val("-A-B-"));
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}
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TEST(CatchNested) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(a,b) {"
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" var r = '-';"
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" try {"
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" r += 'A-';"
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" throw 'C-';"
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" } catch (e) {"
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" try {"
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" throw 'B-';"
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" } catch (e) {"
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" r += e;"
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" }"
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" r += e;"
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" }"
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" return r;"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val("-A-B-C-"));
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}
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TEST(CatchBreak) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(a,b) {"
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" var r = '-';"
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" L: try {"
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" r += 'A-';"
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" if (a) break L;"
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" r += 'B-';"
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" throw 'C-';"
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" } catch (e) {"
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" if (b) break L;"
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" r += e;"
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" }"
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" r += 'D-';"
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" return r;"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val("-A-D-"), T.true_value(), T.false_value());
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T.CheckCall(T.Val("-A-B-D-"), T.false_value(), T.true_value());
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T.CheckCall(T.Val("-A-B-C-D-"), T.false_value(), T.false_value());
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}
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TEST(CatchCall) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(fun) {"
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" var r = '-';"
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" try {"
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" r += 'A-';"
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" return r + 'B-' + fun();"
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" } catch (e) {"
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" r += e;"
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" }"
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" return r;"
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"})";
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FunctionTester T(src);
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CompileRun("function thrower() { throw 'T-'; }");
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T.CheckCall(T.Val("-A-T-"), T.NewFunction("thrower"));
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CompileRun("function returner() { return 'R-'; }");
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T.CheckCall(T.Val("-A-B-R-"), T.NewFunction("returner"));
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}
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TEST(Finally) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(a,b) {"
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" var r = '-';"
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" try {"
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" r += 'A-';"
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" } finally {"
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" r += 'B-';"
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" }"
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" return r;"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val("-A-B-"));
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}
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TEST(FinallyBreak) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function(a,b) {"
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" var r = '-';"
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" L: try {"
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" r += 'A-';"
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" if (a) return r;"
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" r += 'B-';"
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" if (b) break L;"
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" r += 'C-';"
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" } finally {"
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" r += 'D-';"
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" }"
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" return r;"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val("-A-"), T.true_value(), T.false_value());
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T.CheckCall(T.Val("-A-B-D-"), T.false_value(), T.true_value());
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T.CheckCall(T.Val("-A-B-C-D-"), T.false_value(), T.false_value());
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}
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TEST(DeoptTry) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function f(a) {"
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" try {"
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" %DeoptimizeFunction(f);"
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" throw a;"
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" } catch (e) {"
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" return e + 1;"
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" }"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val(2), T.Val(1));
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}
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TEST(DeoptCatch) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function f(a) {"
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" try {"
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" throw a;"
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" } catch (e) {"
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" %DeoptimizeFunction(f);"
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" return e + 1;"
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" }"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val(2), T.Val(1));
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}
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TEST(DeoptFinallyReturn) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function f(a) {"
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" try {"
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" throw a;"
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" } finally {"
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" %DeoptimizeFunction(f);"
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" return a + 1;"
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" }"
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"})";
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FunctionTester T(src);
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T.CheckCall(T.Val(2), T.Val(1));
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}
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TEST(DeoptFinallyReThrow) {
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i::FLAG_turbo_exceptions = true;
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const char* src =
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"(function f(a) {"
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" try {"
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" throw a;"
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" } finally {"
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" %DeoptimizeFunction(f);"
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" }"
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"})";
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FunctionTester T(src);
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#if 0 // TODO(mstarzinger): Enable once we can.
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T.CheckThrows(T.NewObject("new Error"), T.Val(1));
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#endif
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}
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