[PATCH v5 6/6] mshtml/tests: Add a test for JS functions scope.
Paul Gofman
pgofman at codeweavers.com
Fri Jun 18 07:50:21 CDT 2021
Based on a patch by Jacek Caban.
Signed-off-by: Paul Gofman <pgofman at codeweavers.com>
---
v5:
- add test for function definition within 'with' signle statement context.
dlls/mshtml/tests/es5.js | 83 ++++++++++++++++++++++++++++++++++++++++
1 file changed, 83 insertions(+)
diff --git a/dlls/mshtml/tests/es5.js b/dlls/mshtml/tests/es5.js
index dd6ea76c77a..03663917177 100644
--- a/dlls/mshtml/tests/es5.js
+++ b/dlls/mshtml/tests/es5.js
@@ -1341,3 +1341,86 @@ sync_test("let scope instances", function() {
ok(f() == 2, "f() = " + f());
});
+
+sync_test("functions scope", function() {
+ function f(){ return 1; }
+ function f(){ return 2; }
+
+ var f0 = f, f1, f2, f3, i, o, a = [];
+ ok(f0() === 2, "f0() = " + f0());
+
+ {
+ f1 = f;
+ function f() { return 3; }
+ ok(f1 === f, "f1 != f");
+ ok(f0 != f1, "f0 == f1");
+ }
+ ok(f === f1, "f != f1");
+
+ for(i = 0; i < 3; i++) {
+ a[i] = f;
+ function f() {}
+ ok(f === a[i], "f != a[i]");
+ }
+ ok(a[0] != a[1], "a[0] == a[1]");
+ ok(a[1] != a[2], "a[1] == a[2]");
+ ok(f === a[2], "f != a[2]");
+
+ {
+ f2 = f;
+ ok(f() === 4, "f() = " + f());
+ function f() { return 4; }
+
+ {
+ f3 = f;
+ ok(f() === 5, "f() = " + f());
+ function f() { return 5;}
+ }
+ ok(f() === 4, "f() = " + f());
+ ok(f === f2, "f != f2");
+ }
+ ok(f === f3, "f != f3");
+
+ with(o = {f: 1}) {
+ ok(f === 1, "f != 1");
+ {
+ ok(f() === 6, "f() = " + f());
+ function f() { return 6; }
+ }
+ ok(f === 1, "f != 1");
+ delete o.f;
+ ok(f() === 6, "f() = " + f());
+ }
+
+ if(false) {
+ function f() { throw "unexpected call"; }
+ }
+ ok(f() === 6, "f() = " + f());
+
+ /* 'with' has no effect for function defined in a single statement context. */
+ let w = 8;
+ with({w:10, value:11})
+ function with_function()
+ {
+ var except
+
+ ok(w == 8, "w != 8");
+ except = false;
+ try
+ {
+ ok(value === undefined, "value is defined");
+ }
+ catch(e)
+ {
+ except = true;
+ }
+ ok(except, "with_function: expected exception");
+
+ let ret = w;
+ w = 9;
+ return ret;
+ }
+ val = with_function();
+ ok(val == 8, "val != 8");
+ ok(w == 9, "w != 9");
+});
--
2.31.1
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