Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 57 insertions, 0 deletions

diff --git a/js/src/tests/non262/fields/unimplemented.js b/js/src/tests/non262/fields/unimplemented.js
new file mode 100644
index 0000000000..49a09468ec
--- /dev/null
+++ b/js/src/tests/non262/fields/unimplemented.js
@@ -0,0 +1,57 @@
+// Field syntax doesn't crash the engine when fields are disabled.
+
+// Are fields enabled?
+let fieldsEnabled = false;
+try {
+  Function("class C { x; }");
+  fieldsEnabled = true;
+} catch (exc) {
+  assertEq(exc instanceof SyntaxError, true);
+}
+
+// If not, run these tests. (Many other tests cover actual behavior of the
+// feature when enabled.)
+if (!fieldsEnabled) {
+  let source = `class C {
+    x
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    x = 0;
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    0 = 0;
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    [0] = 0;
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    "hi" = 0;
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    "hi" = 0;
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    d = function(){};
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+
+  source = `class C {
+    d = class D { x = 0; };
+  }`;
+  assertThrowsInstanceOf(() => Function(source), SyntaxError);
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);