diff --git a/src/tint/lang/wgsl/ls/symbols_test.cc b/src/tint/lang/wgsl/ls/symbols_test.cc
new file mode 100644
index 0000000..8899adf
--- /dev/null
+++ b/src/tint/lang/wgsl/ls/symbols_test.cc
@@ -0,0 +1,161 @@
+// Copyright 2024 The Dawn & Tint Authors
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this
+//    list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice,
+//    this list of conditions and the following disclaimer in the documentation
+//    and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its
+//    contributors may be used to endorse or promote products derived from
+//    this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include <string_view>
+
+#include "gmock/gmock.h"
+
+#include "langsvr/lsp/lsp.h"
+#include "langsvr/lsp/primitives.h"
+#include "langsvr/lsp/printer.h"
+#include "src/tint/lang/wgsl/ls/helpers_test.h"
+
+namespace tint::wgsl::ls {
+namespace {
+
+namespace lsp = langsvr::lsp;
+
+struct Case {
+    const std::string_view wgsl;
+    const std::vector<lsp::DocumentSymbol> symbols;
+};
+
+struct Symbol : lsp::DocumentSymbol {
+    explicit Symbol(std::string_view n) { name = n; }
+
+    Symbol& Kind(lsp::SymbolKind k) {
+        kind = k;
+        return *this;
+    }
+
+    Symbol& Range(lsp::Uinteger start_line,
+                  lsp::Uinteger start_column,
+                  lsp::Uinteger end_line,
+                  lsp::Uinteger end_column) {
+        range = lsp::Range{{start_line, start_column}, {end_line, end_column}};
+        return *this;
+    }
+
+    Symbol& SelectionRange(lsp::Uinteger start_line,
+                           lsp::Uinteger start_column,
+                           lsp::Uinteger end_line,
+                           lsp::Uinteger end_column) {
+        selection_range = lsp::Range{{start_line, start_column}, {end_line, end_column}};
+        return *this;
+    }
+};
+
+std::ostream& operator<<(std::ostream& stream, const Case& c) {
+    return stream << "wgsl: '" << c.wgsl << "'";
+}
+
+using LsSymbolsTest = LsTestWithParam<Case>;
+TEST_P(LsSymbolsTest, Symbols) {
+    lsp::TextDocumentDocumentSymbolRequest req{};
+    req.text_document.uri = OpenDocument(GetParam().wgsl);
+    auto future = client_session_.Send(req);
+    ASSERT_EQ(future, langsvr::Success);
+    auto res = future->get();
+    if (GetParam().symbols.empty()) {
+        ASSERT_TRUE(res.Is<lsp::Null>());
+    } else {
+        ASSERT_TRUE(res.Is<std::vector<lsp::DocumentSymbol>>());
+        EXPECT_THAT(*res.Get<std::vector<lsp::DocumentSymbol>>(),
+                    testing::ContainerEq(GetParam().symbols));
+    }
+}
+
+INSTANTIATE_TEST_SUITE_P(,
+                         LsSymbolsTest,
+                         ::testing::ValuesIn(std::vector<Case>{
+                             {
+                                 "",
+                                 {},
+                             },
+                             {
+                                 ""
+                                 /* 0 */ "const C = 1;\n"
+                                 /* 1 */ "/* blah */ var V : i32 = 2i;\n"
+                                 /* 2 */ "override O = 3f;\n",
+                                 {
+                                     Symbol{"C"}
+                                         .Kind(lsp::SymbolKind::kConstant)
+                                         .Range(0, 0, 0, 11)
+                                         .SelectionRange(0, 6, 0, 7),
+                                     Symbol{"V"}
+                                         .Kind(lsp::SymbolKind::kVariable)
+                                         .Range(1, 11, 1, 27)
+                                         .SelectionRange(1, 15, 1, 16),
+                                     Symbol{"O"}
+                                         .Kind(lsp::SymbolKind::kVariable)
+                                         .Range(2, 0, 2, 15)
+                                         .SelectionRange(2, 9, 2, 10),
+                                 },
+                             },
+                             {
+                                 ""
+                                 /* 0 */ "fn fa() {}\n"
+                                 /* 1 */ "/* blah */ fn fb() -> i32 {\n"
+                                 /* 2 */ "  return 1;\n"
+                                 /* 3 */ "} // blah",
+                                 {
+                                     Symbol{"fa"}
+                                         .Kind(lsp::SymbolKind::kFunction)
+                                         .Range(0, 0, 0, 10)
+                                         .SelectionRange(0, 3, 0, 5),
+                                     Symbol{"fb"}
+                                         .Kind(lsp::SymbolKind::kFunction)
+                                         .Range(1, 11, 3, 1)
+                                         .SelectionRange(1, 14, 1, 16),
+                                 },
+                             },
+                             {
+                                 ""
+                                 /* 0 */ "struct s1 { i : i32 }\n"
+                                 /* 1 */ "alias A = i32;\n"
+                                 /* 2 */ "/* blah */ struct s2 {\n"
+                                 /* 3 */ "  a : i32,\n"
+                                 /* 4 */ "} // blah",
+                                 {
+                                     Symbol{"s1"}
+                                         .Kind(lsp::SymbolKind::kStruct)
+                                         .Range(0, 0, 0, 21)
+                                         .SelectionRange(0, 7, 0, 9),
+                                     Symbol{"A"}
+                                         .Kind(lsp::SymbolKind::kObject)
+                                         .Range(1, 0, 1, 13)
+                                         .SelectionRange(1, 6, 1, 7),
+                                     Symbol{"s2"}
+                                         .Kind(lsp::SymbolKind::kStruct)
+                                         .Range(2, 11, 4, 1)
+                                         .SelectionRange(2, 18, 2, 20),
+                                 },
+                             },
+                         }));
+
+}  // namespace
+}  // namespace tint::wgsl::ls