1 files changed, 59 insertions, 3 deletions
diff --git a/pkg/bisect/bisect_test.go b/pkg/bisect/bisect_test.go
index 600a68b60..d44532fe0 100644
--- a/pkg/bisect/bisect_test.go
+++ b/pkg/bisect/bisect_test.go
@@ -353,9 +353,9 @@ var bisectionTests = []BisectionTest{
 		introduced:  "605",
 		extraTest: func(t *testing.T, res *Result) {
 			// False negative probability of each run is ~35%.
-			// We get two "good" results, so our accumulated confidence is ~42%.
-			assert.Less(t, res.Confidence, 0.5)
-			assert.Greater(t, res.Confidence, 0.4)
+			// We get three "good" results, so our accumulated confidence is ~27%.
+			assert.Less(t, res.Confidence, 0.3)
+			assert.Greater(t, res.Confidence, 0.2)
 		},
 	},
 	// Test bisection returns correct cause with different baseline/config combinations.
@@ -955,3 +955,59 @@ func TestMostFrequentReport(t *testing.T) {
 		})
 	}
 }
+
+func TestPickReleaseTags(t *testing.T) {
+	tests := []struct {
+		name string
+		tags []string
+		ret  []string
+	}{
+		{
+			name: "upstream-clang",
+			tags: []string{
+				"v6.5", "v6.4", "v6.3", "v6.2", "v6.1", "v6.0", "v5.19",
+				"v5.18", "v5.17", "v5.16", "v5.15", "v5.14", "v5.13",
+				"v5.12", "v5.11", "v5.10", "v5.9", "v5.8", "v5.7", "v5.6",
+				"v5.5", "v5.4",
+			},
+			ret: []string{
+				"v6.5", "v6.4", "v6.3", "v6.1", "v5.19", "v5.17", "v5.15",
+				"v5.13", "v5.10", "v5.7", "v5.4",
+			},
+		},
+		{
+			name: "upstream-gcc",
+			tags: []string{
+				"v6.5", "v6.4", "v6.3", "v6.2", "v6.1", "v6.0", "v5.19",
+				"v5.18", "v5.17", "v5.16", "v5.15", "v5.14", "v5.13",
+				"v5.12", "v5.11", "v5.10", "v5.9", "v5.8", "v5.7", "v5.6",
+				"v5.5", "v5.4", "v5.3", "v5.2", "v5.1", "v5.0", "v4.20", "v4.19",
+				"v4.18",
+			},
+			ret: []string{
+				"v6.5", "v6.4", "v6.3", "v6.1", "v5.19", "v5.17", "v5.15",
+				"v5.13", "v5.10", "v5.7", "v5.4", "v5.1", "v4.19", "v4.18",
+			},
+		},
+		{
+			name: "lts",
+			tags: []string{
+				"v5.15.10", "v5.15.9", "v5.15.8", "v5.15.7", "v5.15.6",
+				"v5.15.5", "v5.15.4", "v5.15.3", "v5.15.2", "v5.15.1",
+				"v5.15", "v5.14", "v5.13", "v5.12", "v5.11", "v5.10",
+				"v5.9", "v5.8", "v5.7", "v5.6", "v5.5", "v5.4",
+			},
+			ret: []string{
+				"v5.15.10", "v5.15.9", "v5.15.5", "v5.15", "v5.14", "v5.13",
+				"v5.11", "v5.9", "v5.7", "v5.5", "v5.4",
+			},
+		},
+	}
+	for _, test := range tests {
+		test := test
+		t.Run(test.name, func(t *testing.T) {
+			ret := pickReleaseTags(append([]string{}, test.tags...))
+			assert.Equal(t, test.ret, ret)
+		})
+	}
+}