patch 7.4.1607
Problem: Comparing a function that exists on two dicts is not backwards
compatible. (Thinca)
Solution: Only compare the function, not what the partial adds.
diff --git a/src/testdir/test_expr.vim b/src/testdir/test_expr.vim
new file mode 100644
index 0000000..8e55bc5
--- /dev/null
+++ b/src/testdir/test_expr.vim
@@ -0,0 +1,23 @@
+" Tests for expressions.
+
+func Test_equal()
+ let base = {}
+ func base.method()
+ return 1
+ endfunc
+ func base.other() dict
+ return 1
+ endfunc
+ let instance = copy(base)
+ call assert_true(base.method == instance.method)
+ call assert_true([base.method] == [instance.method])
+ call assert_true(base.other == instance.other)
+ call assert_true([base.other] == [instance.other])
+
+ call assert_false(base.method == base.other)
+ call assert_false([base.method] == [base.other])
+ call assert_false(base.method == instance.other)
+ call assert_false([base.method] == [instance.other])
+
+ call assert_fails('echo base.method > instance.method')
+endfunc