| // |reftest| skip-if(!xulRuntime.shell) |
| function test() { |
| |
| function testVarPatternCombinations(makePattSrc, makePattPatt) { |
| var pattSrcs = makePatternCombinations(n => ("x" + n), makePattSrc); |
| var pattPatts = makePatternCombinations(n => ({ id: ident("x" + n), init: null }), makePattPatt); |
| // It's illegal to have uninitialized const declarations, so we need a |
| // separate set of patterns and sources. |
| var constSrcs = makePatternCombinations(n => ("x" + n + " = undefined"), makePattSrc); |
| var constPatts = makePatternCombinations(n => ({ id: ident("x" + n), init: ident("undefined") }), makePattPatt); |
| |
| for (var i = 0; i < pattSrcs.length; i++) { |
| // variable declarations in blocks |
| assertDecl("var " + pattSrcs[i].join(",") + ";", varDecl(pattPatts[i])); |
| |
| assertGlobalDecl("let " + pattSrcs[i].join(",") + ";", letDecl(pattPatts[i])); |
| assertLocalDecl("let " + pattSrcs[i].join(",") + ";", letDecl(pattPatts[i])); |
| assertBlockDecl("let " + pattSrcs[i].join(",") + ";", letDecl(pattPatts[i])); |
| |
| assertDecl("const " + constSrcs[i].join(",") + ";", constDecl(constPatts[i])); |
| |
| // variable declarations in for-loop heads |
| assertStmt("for (var " + pattSrcs[i].join(",") + "; foo; bar);", |
| forStmt(varDecl(pattPatts[i]), ident("foo"), ident("bar"), emptyStmt)); |
| assertStmt("for (let " + pattSrcs[i].join(",") + "; foo; bar);", |
| forStmt(letDecl(pattPatts[i]), ident("foo"), ident("bar"), emptyStmt)); |
| assertStmt("for (const " + constSrcs[i].join(",") + "; foo; bar);", |
| forStmt(constDecl(constPatts[i]), ident("foo"), ident("bar"), emptyStmt)); |
| } |
| } |
| |
| testVarPatternCombinations(n => ("{a" + n + ":x" + n + "," + "b" + n + ":y" + n + "," + "c" + n + ":z" + n + "} = 0"), |
| n => ({ id: objPatt([assignProp("a" + n, ident("x" + n)), |
| assignProp("b" + n, ident("y" + n)), |
| assignProp("c" + n, ident("z" + n))]), |
| init: lit(0) })); |
| |
| testVarPatternCombinations(n => ("{a" + n + ":x" + n + " = 10," + "b" + n + ":y" + n + " = 10," + "c" + n + ":z" + n + " = 10} = 0"), |
| n => ({ id: objPatt([assignProp("a" + n, ident("x" + n), lit(10)), |
| assignProp("b" + n, ident("y" + n), lit(10)), |
| assignProp("c" + n, ident("z" + n), lit(10))]), |
| init: lit(0) })); |
| |
| testVarPatternCombinations(n => ("[x" + n + "," + "y" + n + "," + "z" + n + "] = 0"), |
| n => ({ id: arrPatt([assignElem("x" + n), assignElem("y" + n), assignElem("z" + n)]), |
| init: lit(0) })); |
| |
| testVarPatternCombinations(n => ("[a" + n + ", ..." + "b" + n + "] = 0"), |
| n => ({ id: arrPatt([assignElem("a" + n), spread(ident("b" + n))]), |
| init: lit(0) })); |
| |
| testVarPatternCombinations(n => ("[a" + n + ", " + "b" + n + " = 10] = 0"), |
| n => ({ id: arrPatt([assignElem("a" + n), assignElem("b" + n, lit(10))]), |
| init: lit(0) })); |
| |
| } |
| |
| runtest(test); |