testsuite: Add bunch of basic postfix test cases.

test/completion/postcat.exp

@@ -0,0 +1 @@
+assert_source_completions postcat

test/completion/postconf.exp

@@ -0,0 +1 @@
+assert_source_completions postconf

test/completion/postfix.exp

@@ -0,0 +1 @@
+assert_source_completions postfix

test/completion/postmap.exp

@@ -0,0 +1 @@
+assert_source_completions postmap

test/completion/postsuper.exp

@@ -0,0 +1 @@
+assert_source_completions postsuper

test/lib/completions/postcat.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "postcat "
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/postconf.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "postconf p"
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/postfix.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "postfix "
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/postmap.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "postmap "
+
+
+sync_after_int
+
+
+teardown

test/lib/completions/postsuper.exp

@@ -0,0 +1,20 @@
+proc setup {} {
+    save_env
+}
+
+
+proc teardown {} {
+    assert_env_unmodified
+}
+
+
+setup
+
+
+assert_complete_any "postsuper "
+
+
+sync_after_int
+
+
+teardown