diff --git a/test/unittest/core/pattern/text_input/BUILD.gn b/test/unittest/core/pattern/text_input/BUILD.gn
index ea73b0a5e253711904329d790260cca0a3e023d4..9f858f20e51eda812fd00e7c16eeec24e9633d63 100644
--- a/test/unittest/core/pattern/text_input/BUILD.gn
+++ b/test/unittest/core/pattern/text_input/BUILD.gn
@@ -52,6 +52,7 @@ ace_unittest("TextInputTest") {
     "text_input_test.cpp",
     "text_input_update_test.cpp",
     "text_input_wordbreak_test.cpp",
+    "text_select_controller_test.cpp",
     "$ace_root/test/mock/core/common/mock_font_manager.cpp",
   ]
   cflags = [ "-fno-access-control" ]
diff --git a/test/unittest/core/pattern/text_input/text_input_base.h b/test/unittest/core/pattern/text_input/text_input_base.h
index 7abdbae59c5bc72e6bf395d28d2e262d6f8518a3..da2a45943339dd25a65ffabef1655c6b2559985a 100644
--- a/test/unittest/core/pattern/text_input/text_input_base.h
+++ b/test/unittest/core/pattern/text_input/text_input_base.h
@@ -111,6 +111,11 @@ protected:
     RefPtr<TextFieldLayoutProperty> layoutProperty_;
     RefPtr<TextFieldAccessibilityProperty> accessibilityProperty_;
 };
+
+class TextSelectControllerTest : public TestNG {
+    void SetUp() override;
+    void TearDown() override;
+};
 } // namespace OHOS::Ace::NG
 
 #endif // FOUNDATION_ACE_TEST_UNITTEST_CORE_PATTERN_TEXTFIELD_TEXTINPUT_TEST_NG_H
\ No newline at end of file
diff --git a/test/unittest/core/pattern/text_input/text_select_controller_test.cpp b/test/unittest/core/pattern/text_input/text_select_controller_test.cpp
new file mode 100755
index 0000000000000000000000000000000000000000..b974b844ef2e8cc2f8737b661c1c9ff9d66f11ad
--- /dev/null
+++ b/test/unittest/core/pattern/text_input/text_select_controller_test.cpp
@@ -0,0 +1,177 @@
+/*
+ * Copyright (c) 2022-2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "test/mock/base/mock_task_executor.h"
+#include "test/mock/core/render/mock_paragraph.h"
+#include "text_input_base.h"
+
+#include "base/memory/ace_type.h"
+#include "core/components_ng/pattern/text/span/span_object.h"
+#include "core/components_ng/pattern/text/span_node.h"
+
+namespace OHOS::Ace::NG {
+
+void TextSelectControllerTest::SetUp() {}
+
+void TextSelectControllerTest::TearDown() {}
+
+/**
+ * @tc.name: FitCaretMetricsToContentRect001
+ * @tc.desc: Test FitCaretMetricsToContentRect
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, FitCaretMetricsToContentRect001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->pattern_ = refPattern;
+    CaretMetricsF caretMetrics;
+    caretMetrics.height = 2.0;
+    textSelectController->contentRect_.height_ = 1.0;
+    textSelectController->FitCaretMetricsToContentRect(caretMetrics);
+    EXPECT_EQ(caretMetrics.height, textSelectController->contentRect_.Height());
+}
+
+/**
+ * @tc.name: UpdateSelectByOffset001
+ * @tc.desc: Test UpdateSelectByOffset
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, UpdateSelectByOffset001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->pattern_ = refPattern;
+    auto textFieldPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(textFieldPattern, nullptr);
+    textFieldPattern->textRect_ = { 0, 0, 0, 0 };
+    Offset localOffset = { 2, 2 };
+    textSelectController->UpdateSelectByOffset(localOffset);
+    EXPECT_EQ(textSelectController->firstHandleInfo_.index, 0);
+}
+
+/**
+ * @tc.name: UpdateSelectByOffset002
+ * @tc.desc: Test UpdateSelectByOffset
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, UpdateSelectByOffset002, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->pattern_ = refPattern;
+    textSelectController->contentController_ = AceType::MakeRefPtr<ContentController>(textSelectController->pattern_);
+    ASSERT_NE(textSelectController->contentController_, nullptr);
+    Offset localOffset = { 2, 2 };
+    textSelectController->firstHandleInfo_.index = 2;
+    textSelectController->secondHandleInfo_.index = 1;
+    textSelectController->contentController_->content_ = u"hhh";
+    textSelectController->UpdateSelectByOffset(localOffset);
+    EXPECT_EQ(textSelectController->firstHandleInfo_.index, 2);
+}
+
+/**
+ * @tc.name: MoveCaretAnywhere001
+ * @tc.desc: Test MoveCaretAnywhere
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, MoveCaretAnywhere001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->contentController_ = AceType::MakeRefPtr<ContentController>(textSelectController->pattern_);
+    ASSERT_NE(textSelectController->contentController_, nullptr);
+    Offset localOffset;
+    RectF Offset = { 0, 0, 0, 0 };
+    textSelectController->contentController_->content_ = u"hhh";
+    textSelectController->CalcCaretOffsetByOffset(localOffset);
+    EXPECT_EQ(textSelectController->caretInfo_.rect, Offset);
+}
+
+/**
+ * @tc.name: FireSelectEvent001
+ * @tc.desc: Test FireSelectEvent
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, FireSelectEvent001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    OnAccessibilityCallback onAccessibilityCallback;
+    textSelectController->onAccessibilityCallback_ = std::move(onAccessibilityCallback);
+    textSelectController->FireSelectEvent();
+    EXPECT_EQ(textSelectController->paragraph_, nullptr);
+}
+
+/**
+ * @tc.name: IsClickAtBoundary001
+ * @tc.desc: Test IsClickAtBoundary
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, IsClickAtBoundary001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->contentController_ = AceType::MakeRefPtr<ContentController>(textSelectController->pattern_);
+    ASSERT_NE(textSelectController->contentController_, nullptr);
+    textSelectController->pattern_ = refPattern;
+    int32_t index = 3;
+    Offset touchOffset = { 0, 0 };
+    textSelectController->contentController_->content_ = u"hhh";
+    auto result = textSelectController->IsClickAtBoundary(index, touchOffset);
+    EXPECT_EQ(result, true);
+}
+
+/**
+ * @tc.name: IsTouchAtLineEnd001
+ * @tc.desc: Test IsTouchAtLineEnd
+ * @tc.type: FUNC
+ */
+HWTEST_F(TextSelectControllerTest, IsTouchAtLineEnd001, TestSize.Level1)
+{
+    auto refPattern = AceType::MakeRefPtr<TextFieldPattern>();
+    ASSERT_NE(refPattern, nullptr);
+    WeakPtr<Pattern> pattern = refPattern;
+    auto textSelectController = AceType::MakeRefPtr<TextSelectController>(pattern);
+    ASSERT_NE(textSelectController, nullptr);
+    textSelectController->contentController_ = AceType::MakeRefPtr<ContentController>(textSelectController->pattern_);
+    ASSERT_NE(textSelectController->contentController_, nullptr);
+
+    textSelectController->paragraph_ = MockParagraph::GetOrCreateMockParagraph();
+    ASSERT_NE(textSelectController->paragraph_, nullptr);
+
+    Offset localOffset = { 3, 3 };
+    textSelectController->contentController_->content_ = u"hhh";
+    auto result = textSelectController->IsTouchAtLineEnd(localOffset);
+    EXPECT_EQ(result, true);
+}
+} // namespace OHOS::Ace::NG
\ No newline at end of file