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-rw-r--r--js/src/jit-test/tests/ion/apply-native-spreadcall-array.js39
1 files changed, 39 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/ion/apply-native-spreadcall-array.js b/js/src/jit-test/tests/ion/apply-native-spreadcall-array.js
new file mode 100644
index 0000000000..24e5621484
--- /dev/null
+++ b/js/src/jit-test/tests/ion/apply-native-spreadcall-array.js
@@ -0,0 +1,39 @@
+load(libdir + "array-compare.js");
+
+const xs = [
+ // Zero arguments.
+ [],
+
+ // Single argument.
+ [1],
+
+ // Few arguments. Even number of arguments.
+ [1, 2],
+
+ // Few arguments. Odd number of arguments.
+ [1, 2, 3],
+
+ // Many arguments. Even number of arguments.
+ [1, 2, 3, 4, 5, 6, 7, 8, 9, 0],
+
+ // Many arguments. Odd number of arguments.
+ [1, 2, 3, 4, 5, 6, 7, 8, 9],
+];
+
+function f(x) {
+ // SpreadCall to a native function with an array.
+ return Array(...x);
+}
+
+// Don't inline |f| into the top-level script.
+with ({}) ;
+
+for (let i = 0; i < 400; ++i) {
+ let x = xs[i % xs.length];
+
+ // NB: Array(1) creates the array `[,]`.
+ let expected = x.length !== 1 ? x : [,];
+
+ let result = f(x);
+ assertEq(arraysEqual(result, expected), true);
+}