diff --git a/fpdfsdk/fpdf_text_embeddertest.cpp b/fpdfsdk/fpdf_text_embeddertest.cpp
index d0e63ac..e211d2d 100644
--- a/fpdfsdk/fpdf_text_embeddertest.cpp
+++ b/fpdfsdk/fpdf_text_embeddertest.cpp
@@ -7,6 +7,7 @@
 #include <utility>
 #include <vector>
 
+#include "build/build_config.h"
 #include "core/fxcrt/fx_memory.h"
 #include "core/fxge/fx_font.h"
 #include "public/cpp/fpdf_scopers.h"
@@ -392,6 +393,45 @@
   UnloadPage(page);
 }
 
+// Fails on Windows. https://crbug.com/pdfium/1370
+#if defined(OS_WIN)
+#define MAYBE_TextSearchLatinExtended DISABLED_TextSearchLatinExtended
+#else
+#define MAYBE_TextSearchLatinExtended TextSearchLatinExtended
+#endif
+TEST_F(FPDFTextEmbedderTest, MAYBE_TextSearchLatinExtended) {
+  ASSERT_TRUE(OpenDocument("latin_extended.pdf"));
+  FPDF_PAGE page = LoadPage(0);
+  ASSERT_TRUE(page);
+
+  FPDF_TEXTPAGE textpage = FPDFText_LoadPage(page);
+  ASSERT_TRUE(textpage);
+
+  // Upper/lowercase 'a' with breve.
+  constexpr FPDF_WCHAR kNeedleUpper[] = {0x0102, 0x0000};
+  constexpr FPDF_WCHAR kNeedleLower[] = {0x0103, 0x0000};
+
+  for (const auto* needle : {kNeedleUpper, kNeedleLower}) {
+    ScopedFPDFTextFind search(FPDFText_FindStart(textpage, needle, 0, 0));
+    EXPECT_TRUE(search);
+    EXPECT_EQ(0, FPDFText_GetSchResultIndex(search.get()));
+    EXPECT_EQ(0, FPDFText_GetSchCount(search.get()));
+
+    // Should find 2 results at position 21/22, both with length 1.
+    EXPECT_TRUE(FPDFText_FindNext(search.get()));
+    EXPECT_EQ(2, FPDFText_GetSchResultIndex(search.get()));
+    EXPECT_EQ(1, FPDFText_GetSchCount(search.get()));
+    EXPECT_TRUE(FPDFText_FindNext(search.get()));
+    EXPECT_EQ(3, FPDFText_GetSchResultIndex(search.get()));
+    EXPECT_EQ(1, FPDFText_GetSchCount(search.get()));
+    // And no more than 2 results.
+    EXPECT_FALSE(FPDFText_FindNext(search.get()));
+  }
+
+  FPDFText_ClosePage(textpage);
+  UnloadPage(page);
+}
+
 // Test that the page has characters despite a bad stream length.
 TEST_F(FPDFTextEmbedderTest, StreamLengthPastEndOfFile) {
   ASSERT_TRUE(OpenDocument("bug_57.pdf"));
diff --git a/testing/resources/latin_extended.pdf b/testing/resources/latin_extended.pdf
new file mode 100644
index 0000000..6c34ab0
--- /dev/null
+++ b/testing/resources/latin_extended.pdf
Binary files differ