diff --git a/Jint.Tests/Runtime/ArrayTests.cs b/Jint.Tests/Runtime/ArrayTests.cs index ad5749a228..549de4c254 100644 --- a/Jint.Tests/Runtime/ArrayTests.cs +++ b/Jint.Tests/Runtime/ArrayTests.cs @@ -1,4 +1,5 @@ using Jint.Native; +using Jint.Runtime.Interop; namespace Jint.Tests.Runtime; @@ -107,22 +108,6 @@ function compare(a, b) { _engine.Execute(code); } -#if !NETCOREAPP - // this test case only triggers on older full framework where the is no checks for infinite comparisons - [Fact] - public void ArraySortShouldObeyExecutionConstraints() - { - const string script = @" - let cases = [5,5]; - let latestCase = cases.sort((c1, c2) => c1 > c2 ? -1: 1);"; - - var engine = new Engine(options => options - .TimeoutInterval(TimeSpan.FromSeconds(1)) - ); - Assert.Throws(() => engine.Evaluate(script)); - } -#endif - [Fact] public void ExtendingArrayAndInstanceOf() { @@ -352,4 +337,24 @@ public void ShouldBeAbleToInitFromArray() Assert.Equal("length", propertyDescriptors[1].Key); Assert.Equal(1, propertyDescriptors[1].Value.Value); } + + [Fact] + public void ArrayFromSortTest() + { + var item1 = new KeyValuePair("Id1", "0020"); + var item2 = new KeyValuePair("Id2", "0001"); + + var engine = new Engine(); + engine.SetValue("Root", new { Inner = new { Items = new[] { item1, item2 } } }); + + var result = engine.Evaluate("Array.from(Root.Inner.Items).sort((a, b) => a.Value === '0001' ? -1 : 1)").AsArray(); + + var enumerableResult = result + .Select(x => (KeyValuePair) ((IObjectWrapper) x).Target) + .ToList(); + + enumerableResult.Should().HaveCount(2); + enumerableResult[0].Key.Should().Be(item2.Key); + enumerableResult[1].Key.Should().Be(item1.Key); + } } diff --git a/Jint/Native/Array/ArrayPrototype.cs b/Jint/Native/Array/ArrayPrototype.cs index d386950eaa..32e6288af5 100644 --- a/Jint/Native/Array/ArrayPrototype.cs +++ b/Jint/Native/Array/ArrayPrototype.cs @@ -1072,14 +1072,33 @@ private JsValue Sort(JsValue thisObject, JsValue[] arguments) // don't eat inner exceptions try { - var array = items.OrderBy(x => x, ArrayComparer.WithFunction(_engine, compareFn!)).ToArray(); - - uint j; - for (j = 0; j < itemCount; ++j) + var comparer = ArrayComparer.WithFunction(_engine, compareFn); + IEnumerable ordered; +#if !NETCOREAPP + if (comparer is not null) + { + // sort won't be stable on .NET Framework, but at least it cant go into infinite loop when comparer is badly implemented + items.Sort(comparer); + ordered = items; + } + else { - var updateLength = j == itemCount - 1; - obj.Set(j, array[j], updateLength: updateLength, throwOnError: true); + ordered = items.OrderBy(x => x, comparer); } +#else + #if NET8_0_OR_GREATER + ordered = items.Order(comparer); + #else + ordered = items.OrderBy(x => x, comparer); + #endif +#endif + uint j = 0; + foreach (var item in ordered) + { + obj.Set(j, item, updateLength: false, throwOnError: true); + j++; + } + for (; j < len; ++j) { obj.DeletePropertyOrThrow(j);