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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/jit-test/tests/modules/ambiguous-star-export.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 'js/src/jit-test/tests/modules/ambiguous-star-export.js')
-rw-r--r-- | js/src/jit-test/tests/modules/ambiguous-star-export.js | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/modules/ambiguous-star-export.js b/js/src/jit-test/tests/modules/ambiguous-star-export.js new file mode 100644 index 0000000000..f90673bd9f --- /dev/null +++ b/js/src/jit-test/tests/modules/ambiguous-star-export.js @@ -0,0 +1,43 @@ +// Test ambigious export * statements. + +"use strict"; + +load(libdir + "asserts.js"); + +function checkModuleEval(source) { + let m = parseModule(source); + moduleLink(m); + moduleEvaluate(m); + return m; +} + +function checkModuleSyntaxError(source) { + let m = parseModule(source); + assertThrowsInstanceOf(() => moduleLink(m), SyntaxError); +} + +let a = registerModule('a', parseModule("export var a = 1; export var b = 2;")); +let b = registerModule('b', parseModule("export var b = 3; export var c = 4;")); +let c = registerModule('c', parseModule("export * from 'a'; export * from 'b';")); +moduleLink(c); +moduleEvaluate(c); + +// Check importing/exporting non-ambiguous name works. +let d = checkModuleEval("import { a } from 'c';"); +assertEq(getModuleEnvironmentValue(d, "a"), 1); +checkModuleEval("export { a } from 'c';"); + +// Check importing/exporting ambiguous name is a syntax error. +checkModuleSyntaxError("import { b } from 'c';"); +checkModuleSyntaxError("export { b } from 'c';"); + +// Check that namespace objects include only non-ambiguous names. +let m = parseModule("import * as ns from 'c';"); +moduleLink(m); +moduleEvaluate(m); +let ns = c.namespace; +let names = Object.keys(ns); +assertEq(names.length, 2); +assertEq('a' in ns, true); +assertEq('b' in ns, false); +assertEq('c' in ns, true); |