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[parsing] Add some more tests of maybe-assigned.

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R=adamk@chromium.org, mstarzinger@chromium.org
BUG=

Review-Url: https://codereview.chromium.org/2554363002
Cr-Commit-Position: refs/heads/master@{#41577}
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neis 2016-12-08 00:55:30 -08:00 committed by Commit bot
parent c4f9e42934
commit d23f837166
1 changed files with 39 additions and 29 deletions
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68
test/cctest/test-parsing.cc
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@ -3261,35 +3261,45 @@ TEST(InnerAssignment) {
const char* prefix = "function f() {";
const char* midfix = " function g() {";
const char* suffix = "}}; f";
struct { const char* source; bool assigned; bool strict; } outers[] = {
// Actual assignments.
{ "var x; var x = 5;", true, false },
{ "var x; { var x = 5; }", true, false },
{ "'use strict'; let x; x = 6;", true, true },
{ "var x = 5; function x() {}", true, false },
// Actual non-assignments.
{ "var x;", false, false },
{ "var x = 5;", false, false },
{ "'use strict'; let x;", false, true },
{ "'use strict'; let x = 6;", false, true },
{ "'use strict'; var x = 0; { let x = 6; }", false, true },
{ "'use strict'; var x = 0; { let x; x = 6; }", false, true },
{ "'use strict'; let x = 0; { let x = 6; }", false, true },
{ "'use strict'; let x = 0; { let x; x = 6; }", false, true },
{ "var x; try {} catch (x) { x = 5; }", false, false },
{ "function x() {}", false, false },
// Eval approximation.
{ "var x; eval('');", true, false },
{ "eval(''); var x;", true, false },
{ "'use strict'; let x; eval('');", true, true },
{ "'use strict'; eval(''); let x;", true, true },
// Non-assignments not recognized, because the analysis is approximative.
{ "var x; var x;", true, false },
{ "var x = 5; var x;", true, false },
{ "var x; { var x; }", true, false },
{ "var x; function x() {}", true, false },
{ "function x() {}; var x;", true, false },
{ "var x; try {} catch (x) { var x = 5; }", true, false },
struct {
const char* source;
bool assigned;
bool strict;
} outers[] = {
// Actual assignments.
{"var x; var x = 5;", true, false},
{"var x; { var x = 5; }", true, false},
{"'use strict'; let x; x = 6;", true, true},
{"var x = 5; function x() {}", true, false},
{"var x = 4; var x = 5;", true, false},
{"var [x, x] = [4, 5];", true, false},
{"var {a: x, b: x} = {a: 4, b: 5};", true, false},
{"var x = {a: 4, b: (x = 5)};", true, false},
{"var {x=1} = {a: 4, b: (x = 5)};", true, false},
{"var {x} = {x: 4, b: (x = 5)};", true, false},
// Actual non-assignments.
{"var x;", false, false},
{"var x = 5;", false, false},
{"'use strict'; let x;", false, true},
{"'use strict'; let x = 6;", false, true},
{"'use strict'; var x = 0; { let x = 6; }", false, true},
{"'use strict'; var x = 0; { let x; x = 6; }", false, true},
{"'use strict'; let x = 0; { let x = 6; }", false, true},
{"'use strict'; let x = 0; { let x; x = 6; }", false, true},
{"var x; try {} catch (x) { x = 5; }", false, false},
{"function x() {}", false, false},
// Eval approximation.
{"var x; eval('');", true, false},
{"eval(''); var x;", true, false},
{"'use strict'; let x; eval('');", true, true},
{"'use strict'; eval(''); let x;", true, true},
// Non-assignments not recognized, because the analysis is approximative.
{"var x; var x;", true, false},
{"var x = 5; var x;", true, false},
{"var x; { var x; }", true, false},
{"var x; function x() {}", true, false},
{"function x() {}; var x;", true, false},
{"var x; try {} catch (x) { var x = 5; }", true, false},
};
struct { const char* source; bool assigned; bool with; } inners[] = {
// Actual assignments.