Bug 1966355 - Part 21: Import Immutable ArrayBuffer test262 tests. r=spidermonkey-reviewers,dminor

Test262 PR: <tc39/test262#4445>.

Roughly half of the spec proposal is still missing coverage, see the review
notes at <tc39/test262#4445 (review)>.

Differential Revision: https://phabricator.services.mozilla.com/D249415

UltraBlame original commit: 8b6221835a28784ac50521fe790e6521aea5572e

Author: marco-c

js/src/tests/test262/prs/4445/browser.js

@@ -0,0 +1,84 @@
+var
+ab
+=
+new
+ArrayBuffer
+(
+1
+)
+;
+assert
+.
+sameValue
+(
+ab
+.
+immutable
+false
+)
+;
+ab
+=
+ab
+.
+transferToImmutable
+(
+)
+;
+assert
+.
+sameValue
+(
+ab
+.
+immutable
+true
+)
+;
+ab
+=
+new
+ArrayBuffer
+(
+1
+{
+maxByteLength
+:
+2
+}
+)
+;
+assert
+.
+sameValue
+(
+ab
+.
+immutable
+false
+)
+;
+ab
+=
+ab
+.
+transferToImmutable
+(
+)
+;
+assert
+.
+sameValue
+(
+ab
+.
+immutable
+true
+)
+;
+reportCompare
+(
+0
+0
+)
+;

js/src/tests/test262/prs/4445/built-ins/ArrayBuffer/browser.js

@@ -0,0 +1,24 @@
+assert
+.
+throws
+(
+TypeError
+function
+(
+)
+{
+ArrayBuffer
+.
+prototype
+.
+immutable
+;
+}
+)
+;
+reportCompare
+(
+0
+0
+)
+;

js/src/tests/test262/prs/4445/built-ins/ArrayBuffer/prototype/browser.js

@@ -0,0 +1,50 @@
+var
+getter
+=
+Object
+.
+getOwnPropertyDescriptor
+(
+ArrayBuffer
+.
+prototype
+'
+immutable
+'
+)
+.
+get
+;
+assert
+.
+sameValue
+(
+typeof
+getter
+'
+function
+'
+)
+;
+assert
+.
+throws
+(
+TypeError
+function
+(
+)
+{
+getter
+(
+)
+;
+}
+)
+;
+reportCompare
+(
+0
+0
+)
+;

js/src/tests/test262/prs/4445/built-ins/ArrayBuffer/prototype/immutable/browser.js

@@ -0,0 +1,45 @@
+var
+desc
+=
+Object
+.
+getOwnPropertyDescriptor
+(
+ArrayBuffer
+.
+prototype
+'
+immutable
+'
+)
+;
+verifyProperty
+(
+desc
+.
+get
+'
+length
+'
+{
+value
+:
+0
+enumerable
+:
+false
+writable
+:
+false
+configurable
+:
+true
+}
+)
+;
+reportCompare
+(
+0
+0
+)
+;

js/src/tests/test262/prs/4445/built-ins/ArrayBuffer/prototype/immutable/immutable-buffer.js

@@ -0,0 +1,48 @@
+var
+desc
+=
+Object
+.
+getOwnPropertyDescriptor
+(
+ArrayBuffer
+.
+prototype
+'
+immutable
+'
+)
+;
+verifyProperty
+(
+desc
+.
+get
+'
+name
+'
+{
+value
+:
+'
+get
+immutable
+'
+enumerable
+:
+false
+writable
+:
+false
+configurable
+:
+true
+}
+)
+;
+reportCompare
+(
+0
+0
+)
+;

js/src/tests/test262/prs/4445/built-ins/ArrayBuffer/prototype/immutable/invoked-as-accessor.js

@@ -0,0 +1,62 @@
+var
+desc
+=
+Object
+.
+getOwnPropertyDescriptor
+(
+ArrayBuffer
+.
+prototype
+'
+immutable
+'
+)
+;
+assert
+.
+sameValue
+(
+desc
+.
+set
+undefined
+)
+;
+assert
+.
+sameValue
+(
+typeof
+desc
+.
+get
+'
+function
+'
+)
+;
+verifyProperty
+(
+ArrayBuffer
+.
+prototype
+'
+immutable
+'
+{
+enumerable
+:
+false
+configurable
+:
+true
+}
+)
+;
+reportCompare
+(
+0
+0
+)
+;