implement optional TDZ - fixes #563

This commit is contained in:
Sebastian McKenzie
2015-02-08 01:27:22 +11:00
parent 3361b81658
commit eb14f1da00
22 changed files with 116 additions and 36 deletions

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@@ -0,0 +1,3 @@
a = 1;
let a = 2;

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@@ -0,0 +1,7 @@
function b() {
assert.equals(a, 1);
}
let a = 1;
b();

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@@ -0,0 +1,7 @@
function b() {
assert.equals(a, 1);
}
b();
let a = 1;

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@@ -0,0 +1,3 @@
a;
let a = 1;

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@@ -0,0 +1,3 @@
function foo(bar = bar2, bar2) {}
foo();

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{
"optional": "es6.blockScopingTDZ",
"throws": "is not defined - temporal dead zone"
}

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@@ -0,0 +1,3 @@
a++;
let a = 1;

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@@ -0,0 +1,3 @@
let a = 1;
a = 2;
assert.equal(a, 2);

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@@ -0,0 +1,7 @@
let a = 1;
function b() {
return a + 1;
}
assert.equal(b(), 2);

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@@ -0,0 +1,3 @@
function foo(bar, bar2 = bar) {}
foo();

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@@ -0,0 +1,3 @@
{
"optional": "es6.blockScopingTDZ"
}

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@@ -0,0 +1,3 @@
let a = 1;
a++;
assert.equal(a, 2);

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@@ -1,2 +0,0 @@
qux;
let qux = 456;

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@@ -1,4 +0,0 @@
{
"throws": "Temporal dead zone - accessing a variable before it's initialized",
"optional": ["es6.blockScopingTDZ"]
}