Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 5 | #include "test/cctest/compiler/function-tester.h" |
| 6 | |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 7 | namespace v8 { |
| 8 | namespace internal { |
| 9 | namespace compiler { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 10 | |
| 11 | static const char* throws = NULL; |
| 12 | |
| 13 | static const char* load_tests[] = { |
| 14 | "var x = a; r = x", "123", "0", |
| 15 | "var x = (r = x)", "undefined", "undefined", |
| 16 | "var x = (a?1:2); r = x", "1", "2", |
| 17 | "const x = a; r = x", "123", "0", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 18 | "const x = (a?3:4); r = x", "3", "4", |
| 19 | "'use strict'; const x = a; r = x", "123", "0", |
| 20 | "'use strict'; const x = (r = x)", throws, throws, |
| 21 | "'use strict'; const x = (a?5:6); r = x", "5", "6", |
| 22 | "'use strict'; let x = a; r = x", "123", "0", |
| 23 | "'use strict'; let x = (r = x)", throws, throws, |
| 24 | "'use strict'; let x = (a?7:8); r = x", "7", "8", |
| 25 | NULL}; |
| 26 | |
| 27 | static const char* store_tests[] = { |
| 28 | "var x = 1; x = a; r = x", "123", "0", |
| 29 | "var x = (a?(x=4,2):3); r = x", "2", "3", |
| 30 | "var x = (a?4:5); x = a; r = x", "123", "0", |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 31 | // Assignments to 'const' are SyntaxErrors, handled by the parser, |
| 32 | // hence we cannot test them here because they are early errors. |
| 33 | "'use strict'; let x = 1; x = a; r = x", "123", "0", |
| 34 | "'use strict'; let x = (a?(x=4,2):3); r = x", throws, "3", |
| 35 | "'use strict'; let x = (a?4:5); x = a; r = x", "123", "0", |
| 36 | NULL}; |
| 37 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 38 | |
| 39 | static void RunVariableTests(const char* source, const char* tests[]) { |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 40 | EmbeddedVector<char, 512> buffer; |
| 41 | |
| 42 | for (int i = 0; tests[i] != NULL; i += 3) { |
| 43 | SNPrintF(buffer, source, tests[i]); |
| 44 | PrintF("#%d: %s\n", i / 3, buffer.start()); |
| 45 | FunctionTester T(buffer.start()); |
| 46 | |
| 47 | // Check function with non-falsey parameter. |
| 48 | if (tests[i + 1] != throws) { |
| 49 | Handle<Object> r = v8::Utils::OpenHandle(*CompileRun(tests[i + 1])); |
| 50 | T.CheckCall(r, T.Val(123), T.Val("result")); |
| 51 | } else { |
| 52 | T.CheckThrows(T.Val(123), T.Val("result")); |
| 53 | } |
| 54 | |
| 55 | // Check function with falsey parameter. |
| 56 | if (tests[i + 2] != throws) { |
| 57 | Handle<Object> r = v8::Utils::OpenHandle(*CompileRun(tests[i + 2])); |
| 58 | T.CheckCall(r, T.Val(0.0), T.Val("result")); |
| 59 | } else { |
| 60 | T.CheckThrows(T.Val(0.0), T.Val("result")); |
| 61 | } |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | |
| 66 | TEST(StackLoadVariables) { |
| 67 | const char* source = "(function(a,r) { %s; return r; })"; |
| 68 | RunVariableTests(source, load_tests); |
| 69 | } |
| 70 | |
| 71 | |
| 72 | TEST(ContextLoadVariables) { |
| 73 | const char* source = "(function(a,r) { %s; function f() {x} return r; })"; |
| 74 | RunVariableTests(source, load_tests); |
| 75 | } |
| 76 | |
| 77 | |
| 78 | TEST(StackStoreVariables) { |
| 79 | const char* source = "(function(a,r) { %s; return r; })"; |
| 80 | RunVariableTests(source, store_tests); |
| 81 | } |
| 82 | |
| 83 | |
| 84 | TEST(ContextStoreVariables) { |
| 85 | const char* source = "(function(a,r) { %s; function f() {x} return r; })"; |
| 86 | RunVariableTests(source, store_tests); |
| 87 | } |
| 88 | |
| 89 | |
Ben Murdoch | b8a8cc1 | 2014-11-26 15:28:44 +0000 | [diff] [blame] | 90 | TEST(SelfReferenceVariable) { |
| 91 | FunctionTester T("(function self() { return self; })"); |
| 92 | |
| 93 | T.CheckCall(T.function); |
| 94 | CompileRun("var self = 'not a function'"); |
| 95 | T.CheckCall(T.function); |
| 96 | } |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 97 | |
| 98 | } // namespace compiler |
| 99 | } // namespace internal |
| 100 | } // namespace v8 |