cache_opts: address PR comments

1 files changed, 33 insertions, 0 deletions

diff --git a/settings_test.go b/settings_test.go
index 3a4ce0a..4e45567 100644
--- a/settings_test.go
+++ b/settings_test.go
@@ -48,3 +48,36 @@ func TestMmapSizes(t *testing.T) {
 		t.Fatal("Sizes don't match")
 	}
 }
+
+func TestEnableCaching(t *testing.T) {
+	err := EnableCaching(false)
+	checkFatal(t, err)
+
+	err = EnableCaching(true)
+	checkFatal(t, err)
+}
+
+func TestGetCachedMemory(t *testing.T) {
+	current, allowed, err := GetCachedMemory()
+	checkFatal(t, err)
+
+	if current < 0 {
+		t.Fatal("current < 0")
+	}
+
+	if allowed < 0 {
+		t.Fatal("allowed < 0")
+	}
+}
+
+func TestSetCacheMaxSize(t *testing.T) {
+	err := SetCacheMaxSize(0)
+	checkFatal(t, err)
+
+	err = SetCacheMaxSize(1024 * 1024)
+	checkFatal(t, err)
+
+	// revert to default 256MB
+	err = SetCacheMaxSize(256 * 1024 * 1024)
+	checkFatal(t, err)
+}
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