From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- .../short-circuit-compound-assignment-tdz.js | 56 ++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js (limited to 'js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js') diff --git a/js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js b/js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js new file mode 100644 index 0000000000..b4fcbe8043 --- /dev/null +++ b/js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js @@ -0,0 +1,56 @@ +// Test TDZ for short-circuit compound assignments. + +// TDZ for lexical |let| bindings. +{ + assertThrowsInstanceOf(() => { let a = (a &&= 0); }, ReferenceError); + assertThrowsInstanceOf(() => { let a = (a ||= 0); }, ReferenceError); + assertThrowsInstanceOf(() => { let a = (a ??= 0); }, ReferenceError); +} + +// TDZ for lexical |const| bindings. +{ + assertThrowsInstanceOf(() => { const a = (a &&= 0); }, ReferenceError); + assertThrowsInstanceOf(() => { const a = (a ||= 0); }, ReferenceError); + assertThrowsInstanceOf(() => { const a = (a ??= 0); }, ReferenceError); +} + +// TDZ for parameter expressions. +{ + assertThrowsInstanceOf((a = (b &&= 0), b) => {}, ReferenceError); + assertThrowsInstanceOf((a = (b ||= 0), b) => {}, ReferenceError); + assertThrowsInstanceOf((a = (b ??= 0), b) => {}, ReferenceError); +} + +// TDZ for |class| bindings. +{ + assertThrowsInstanceOf(() => { class a extends (a &&= 0) {} }, ReferenceError); + assertThrowsInstanceOf(() => { class a extends (a ||= 0) {} }, ReferenceError); + assertThrowsInstanceOf(() => { class a extends (a ??= 0) {} }, ReferenceError); +} + +// TDZ for lexical |let| bindings with conditional assignment. +{ + assertThrowsInstanceOf(() => { + const False = false; + False &&= b; + b = 2; + let b; + }, ReferenceError); + + assertThrowsInstanceOf(() => { + const True = true; + True ||= b; + b = 2; + let b; + }, ReferenceError); + + assertThrowsInstanceOf(() => { + const NonNull = {}; + NonNull ??= b; + b = 2; + let b; + }, ReferenceError); +} + +if (typeof reportCompare === "function") + reportCompare(0, 0); -- cgit v1.2.3