1 files changed, 35 insertions, 0 deletions
diff --git a/metrics_test.go b/metrics_test.go
new file mode 100644
index 0000000..a91e93c
--- /dev/null
+++ b/metrics_test.go
@@ -0,0 +1,35 @@
+package main
+
+import (
+    "testing"
+    "strings"
+    "fmt"
+)
+
+func TestLargeMetrics(t *testing.T){
+    first := rune(0x41)
+    last := rune(0x5a)
+    omb := strings.Builder{}
+    for r1 := first; r1 <= last; r1++{
+        for r2 := first; r2 <= last; r2++{
+            name := strings.Builder{}
+            name.WriteString("test_metric_name_")
+            name.WriteRune(r1)
+            name.WriteRune(r2)
+            omb.WriteString("# TYPE ")
+            omb.WriteString(name.String())
+            omb.WriteString(" gauge\n")
+            for i := 0; i < 16; i++{
+                omb.WriteString(name.String())
+                omb.WriteString(fmt.Sprintf("{index=\"%d\"} 1\n", i))
+            }
+        }
+    }
+    omb.WriteString("# EOF\n")
+
+    m, e := ParseMetrics(([]byte)(omb.String()), "application/openmetrics-text")
+    if e != nil{
+        t.Error(e)
+    }
+    m.String()
+}