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feat: Deno namespace configurable and unfrozen (#11062)

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Closes #11033
This commit is contained in:
Kitson Kelly 2021-06-22 07:17:35 +10:00 • committed by GitHub
parent 2d2b5625e0
commit cda15f2a98
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 16 additions and 45 deletions
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50
cli/tests/unit/globals_test.ts
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@ -62,8 +62,8 @@ unitTest(function DenoNamespaceEqualsWindowDeno(): void {
assert(Deno === window.Deno);
});
unitTest(function DenoNamespaceIsFrozen(): void {
assert(Object.isFrozen(Deno));
unitTest(function DenoNamespaceIsNotFrozen(): void {
assert(!Object.isFrozen(Deno));
});
unitTest(function webAssemblyExists(): void {
@ -77,46 +77,14 @@ declare global {
}
}
unitTest(function DenoNamespaceImmutable(): void {
const denoCopy = window.Deno;
try {
// deno-lint-ignore no-explicit-any
(Deno as any) = 1;
} catch {
// pass
}
assert(denoCopy === Deno);
try {
// deno-lint-ignore no-explicit-any
(window as any).Deno = 1;
} catch {
// pass
}
assert(denoCopy === Deno);
try {
// deno-lint-ignore no-explicit-any
delete (window as any).Deno;
} catch {
// pass
}
assert(denoCopy === Deno);
const { readFile } = Deno;
try {
// deno-lint-ignore no-explicit-any
(Deno as any).readFile = 1;
} catch {
// pass
}
assert(readFile === Deno.readFile);
try {
// deno-lint-ignore no-explicit-any
delete (window as any).Deno.readFile;
} catch {
// pass
}
assert(readFile === Deno.readFile);
unitTest(function DenoNamespaceConfigurable() {
const desc = Object.getOwnPropertyDescriptor(globalThis, "Deno");
assert(desc);
assert(desc.configurable);
assert(!desc.writable);
});
unitTest(function DenoCoreNamespaceIsImmutable(): void {
const { print } = Deno.core;
try {
Deno.core.print = 1;