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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/reflect-parse/declarations.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/reflect-parse/declarations.js | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/js/src/tests/non262/reflect-parse/declarations.js b/js/src/tests/non262/reflect-parse/declarations.js new file mode 100644 index 0000000000..4962f4cee9 --- /dev/null +++ b/js/src/tests/non262/reflect-parse/declarations.js @@ -0,0 +1,97 @@ +// |reftest| skip-if(!xulRuntime.shell) +function test() { + +// Bug 632056: constant-folding +program([exprStmt(ident("f")), + ifStmt(lit(1), + blockStmt([funDecl(ident("f"), [], blockStmt([]))]), + null)]).assert(Reflect.parse("f; if (1) function f(){}")); +// declarations + +assertDecl("var x = 1, y = 2, z = 3", + varDecl([{ id: ident("x"), init: lit(1) }, + { id: ident("y"), init: lit(2) }, + { id: ident("z"), init: lit(3) }])); +assertDecl("var x, y, z", + varDecl([{ id: ident("x"), init: null }, + { id: ident("y"), init: null }, + { id: ident("z"), init: null }])); +assertDecl("function foo() { }", + funDecl(ident("foo"), [], blockStmt([]))); +assertDecl("function foo() { return 42 }", + funDecl(ident("foo"), [], blockStmt([returnStmt(lit(42))]))); + +assertDecl("function foo(...rest) { }", + funDecl(ident("foo"), [], blockStmt([]), [], ident("rest"))); + +assertDecl("function foo(a=4) { }", funDecl(ident("foo"), [ident("a")], blockStmt([]), [lit(4)])); +assertDecl("function foo(a, b=4) { }", funDecl(ident("foo"), [ident("a"), ident("b")], blockStmt([]), [null, lit(4)])); +assertDecl("function foo(a, b=4, ...rest) { }", + funDecl(ident("foo"), [ident("a"), ident("b")], blockStmt([]), [null, lit(4), null], ident("rest"))); +assertDecl("function foo(a=(function () {})) { function a() {} }", + funDecl(ident("foo"), [ident("a")], blockStmt([funDecl(ident("a"), [], blockStmt([]))]), + [funExpr(null, [], blockStmt([]))])); + +// Bug 1018628: default paremeter for destructuring +assertDecl("function f(a=1, [x,y]=[2,3]) { }", + funDecl(ident("f"), + [ident("a"), arrPatt([ident("x"), ident("y")])], + blockStmt([]), + [lit(1), arrExpr([lit(2), lit(3)])])); + +// Bug 591437: rebound args have their defs turned into uses +assertDecl("function f(a) { function a() { } }", + funDecl(ident("f"), [ident("a")], blockStmt([funDecl(ident("a"), [], blockStmt([]))]))); +assertDecl("function f(a,b,c) { function b() { } }", + funDecl(ident("f"), [ident("a"),ident("b"),ident("c")], blockStmt([funDecl(ident("b"), [], blockStmt([]))]))); +assertDecl("function f(a,[x,y]) { function a() { } }", + funDecl(ident("f"), + [ident("a"), arrPatt([assignElem("x"), assignElem("y")])], + blockStmt([funDecl(ident("a"), [], blockStmt([]))]))); + +// Bug 591450: this test currently crashes because of a bug in jsparse +// assertDecl("function f(a,[x,y],b,[w,z],c) { function b() { } }", +// funDecl(ident("f"), +// [ident("a"), arrPatt([ident("x"), ident("y")]), ident("b"), arrPatt([ident("w"), ident("z")]), ident("c")], +// blockStmt([funDecl(ident("b"), [], blockStmt([]))]))); + +// redeclarations (TOK_NAME nodes with lexdef) + +assertStmt("function f() { function g() { } function g() { } }", + funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])), + funDecl(ident("g"), [], blockStmt([]))]))); + +// Fails due to parser quirks (bug 638577) +//assertStmt("function f() { function g() { } function g() { return 42 } }", +// funDecl(ident("f"), [], blockStmt([funDecl(ident("g"), [], blockStmt([])), +// funDecl(ident("g"), [], blockStmt([returnStmt(lit(42))]))]))); + +assertStmt("function f() { var x = 42; var x = 43; }", + funDecl(ident("f"), [], blockStmt([varDecl([{ id: ident("x"), init: lit(42) }]), + varDecl([{ id: ident("x"), init: lit(43) }])]))); + + +assertDecl("var {x:y} = foo;", varDecl([{ id: objPatt([assignProp("x", ident("y"))]), + init: ident("foo") }])); +assertDecl("var {x} = foo;", varDecl([{ id: objPatt([assignProp("x")]), + init: ident("foo") }])); + +// Bug 632030: redeclarations between var and funargs, var and function +assertStmt("function g(x) { var x }", + funDecl(ident("g"), [ident("x")], blockStmt([varDecl([{ id: ident("x"), init: null }])]))); +assertProg("f.p = 1; var f; f.p; function f(){}", + [exprStmt(aExpr("=", dotExpr(ident("f"), ident("p")), lit(1))), + varDecl([{ id: ident("f"), init: null }]), + exprStmt(dotExpr(ident("f"), ident("p"))), + funDecl(ident("f"), [], blockStmt([]))]); +} + +assertBlockStmt("{ function f(x) {} }", + blockStmt([funDecl(ident("f"), [ident("x")], blockStmt([]))])); + +// Annex B semantics should not change parse tree. +assertBlockStmt("{ let f; { function f(x) {} } }", + blockStmt([letDecl([{ id: ident("f"), init: null }]), + blockStmt([funDecl(ident("f"), [ident("x")], blockStmt([]))])])); + +runtest(test); |