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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | js/src/tests/non262/expressions/short-circuit-compound-assignment-tdz.js | 56 |
1 files changed, 56 insertions, 0 deletions
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); |