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allow arithmetic operations in constant expressions, handle infinity\NaN results

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This commit is contained in:
Vladimir Matveev
2014-10-29 23:21:30 -07:00
parent e949eda583
commit 4aa4ea75d1
6 changed files with 70 additions and 4 deletions
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24
tests/baselines/reference/constEnumErrors.errors.txt
View File

@@ -8,9 +8,12 @@ tests/cases/compiler/constEnumErrors.ts(24,13): error TS4085: Index expression a
tests/cases/compiler/constEnumErrors.ts(26,9): error TS4084: 'const' enums can only be used in property access expressions.
tests/cases/compiler/constEnumErrors.ts(27,10): error TS4084: 'const' enums can only be used in property access expressions.
tests/cases/compiler/constEnumErrors.ts(32,5): error TS4084: 'const' enums can only be used in property access expressions.
tests/cases/compiler/constEnumErrors.ts(40,9): error TS4086: 'const' enum member initializer was evaluated to a non-finite number.
tests/cases/compiler/constEnumErrors.ts(41,9): error TS4086: 'const' enum member initializer was evaluated to a non-finite number.
tests/cases/compiler/constEnumErrors.ts(42,9): error TS4087: 'const' enum member initializer was evaluated to NaN.
==== tests/cases/compiler/constEnumErrors.ts (10 errors) ====
==== tests/cases/compiler/constEnumErrors.ts (13 errors) ====
const enum E {
~
!!! error TS2300: Duplicate identifier 'E'.
@@ -62,4 +65,21 @@ tests/cases/compiler/constEnumErrors.ts(32,5): error TS4084: 'const' enums can o
foo(E2);
~~
!!! error TS4084: 'const' enums can only be used in property access expressions.
!!! error TS4084: 'const' enums can only be used in property access expressions.
const enum NaNOrInfinity {
A = 9007199254740992,
B = A * A,
C = B * B,
D = C * C,
E = D * D,
F = E * E, // overflow
~~~~~
!!! error TS4086: 'const' enum member initializer was evaluated to a non-finite number.
G = 1 / 0, // overflow
~~~~~
!!! error TS4086: 'const' enum member initializer was evaluated to a non-finite number.
H = 0 / 0 // NaN
~~~~~
!!! error TS4087: 'const' enum member initializer was evaluated to NaN.
}

13
tests/baselines/reference/constEnumErrors.js
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@@ -30,7 +30,18 @@ var y = [E2];
function foo(t: any): void {
}
foo(E2);
foo(E2);
const enum NaNOrInfinity {
A = 9007199254740992,
B = A * A,
C = B * B,
D = C * C,
E = D * D,
F = E * E, // overflow
G = 1 / 0, // overflow
H = 0 / 0 // NaN
}
//// [constEnumErrors.js]
var E;

13
tests/cases/compiler/constEnumErrors.ts
View File

@@ -29,4 +29,15 @@ var y = [E2];
function foo(t: any): void {
}
foo(E2);
foo(E2);
const enum NaNOrInfinity {
A = 9007199254740992,
B = A * A,
C = B * B,
D = C * C,
E = D * D,
F = E * E, // overflow
G = 1 / 0, // overflow
H = 0 / 0 // NaN
}