test: cover N15 ambiguous strict exit

internal/uiaselector/report_test.go

@@ -141,3 +141,51 @@ func TestMarkdownReportDoesNotExposeVisibleText(t *testing.T) {
 		}
 	}
 }
+
+func TestStrictModeClassifiesAmbiguousMatches(t *testing.T) {
+	root := &Node{
+		ControlType:  "Window",
+		AutomationID: "frmMain",
+		FrameworkID:  "WinForm",
+		Children: []Node{
+			{ControlType: "Pane", AutomationID: "duplicate", FrameworkID: "WinForm"},
+			{ControlType: "Pane", AutomationID: "duplicate", FrameworkID: "WinForm"},
+		},
+	}
+	catalog := []Selector{
+		{
+			ID:             "duplicate_panel",
+			Description:    "duplicate structural selector",
+			AllowedUse:     AllowedUseReadOnlyLocate,
+			Required:       Criteria{AutomationID: "duplicate", ControlType: "Pane", FrameworkID: "WinForm"},
+			StabilityScore: 80,
+			Evidence:       Evidence{CaptureID: "unit-test", UIAPath: "root/duplicate"},
+		},
+	}
+
+	report := RunCatalogReport("synthetic-ambiguous.json", root, catalog, fixedReportTime())
+	if !report.OK {
+		t.Fatalf("report OK=false: %#v", report.Error)
+	}
+	if report.CatalogSize != 1 {
+		t.Fatalf("catalog_size = %d, want 1", report.CatalogSize)
+	}
+	if report.MatchedCount != 1 {
+		t.Fatalf("matched_count = %d, want 1", report.MatchedCount)
+	}
+	if report.UnmatchedCount != 0 {
+		t.Fatalf("unmatched_count = %d, want 0", report.UnmatchedCount)
+	}
+	if report.AmbiguousCount != 1 {
+		t.Fatalf("ambiguous_count = %d, want 1", report.AmbiguousCount)
+	}
+	if len(report.Selectors) != 1 {
+		t.Fatalf("len(selectors) = %d, want 1", len(report.Selectors))
+	}
+	if got := report.Selectors[0].MatchCount; got != 2 {
+		t.Fatalf("selector match_count = %d, want 2", got)
+	}
+	if got := StrictExitCode(report); got != StrictExitAmbiguous {
+		t.Fatalf("StrictExitCode = %d, want %d", got, StrictExitAmbiguous)
+	}
+}