1 files changed, 53 insertions, 0 deletions

diff --git a/resources/page/pagemeta/pagemeta_integration_test.go b/resources/page/pagemeta/pagemeta_integration_test.go
index 4d195b7f0..9d8f1b92f 100644
--- a/resources/page/pagemeta/pagemeta_integration_test.go
+++ b/resources/page/pagemeta/pagemeta_integration_test.go
@@ -14,6 +14,7 @@
 package pagemeta_test
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/gohugoio/hugo/hugolib"
@@ -43,3 +44,55 @@ Lastmod: 2024-03-13 06:00:00 +0000 GMT
 Eq: true
 `)
 }
+
+func TestDateValidation(t *testing.T) {
+	t.Parallel()
+
+	files := `
+-- hugo.toml --
+disableKinds = ['page','rss','section','sitemap','taxonomy','term']
+-- content/_index.md --
++++
+date = DATE
++++
+-- layouts/index.html --
+{{ .Date.UTC.Format "2006-01-02" }}
+--
+`
+	errorMsg := `ERROR the "date" front matter field is not a parsable date`
+
+	// Valid (TOML)
+	f := strings.ReplaceAll(files, "DATE", "2024-10-01")
+	b := hugolib.Test(t, f)
+	b.AssertFileContent("public/index.html", "2024-10-01")
+
+	// Valid (string)
+	f = strings.ReplaceAll(files, "DATE", `"2024-10-01"`)
+	b = hugolib.Test(t, f)
+	b.AssertFileContent("public/index.html", "2024-10-01")
+
+	// Valid (empty string)
+	f = strings.ReplaceAll(files, "DATE", `""`)
+	b = hugolib.Test(t, f)
+	b.AssertFileContent("public/index.html", "0001-01-01")
+
+	// Valid (int)
+	f = strings.ReplaceAll(files, "DATE", "0")
+	b = hugolib.Test(t, f)
+	b.AssertFileContent("public/index.html", "1970-01-01")
+
+	// Invalid (string)
+	f = strings.ReplaceAll(files, "DATE", `"2024-42-42"`)
+	b, _ = hugolib.TestE(t, f)
+	b.AssertLogContains(errorMsg)
+
+	// Invalid (bool)
+	f = strings.ReplaceAll(files, "DATE", "true")
+	b, _ = hugolib.TestE(t, f)
+	b.AssertLogContains(errorMsg)
+
+	// Invalid (float)
+	f = strings.ReplaceAll(files, "DATE", "6.7")
+	b, _ = hugolib.TestE(t, f)
+	b.AssertLogContains(errorMsg)
+}