diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e48ea68..e351a98 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -50,18 +50,37 @@ jobs:
           make -j$(getconf _NPROCESSORS_ONLN) CONFIG_WERROR=y CONFIG_UBSAN=y UBSAN_OPTIONS="halt_on_error=1" test
   linux-cmake:
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        buildType: [Debug, Release]
     steps:
       - uses: actions/checkout@v3
+        with:
+          submodules: true
       - name: build
         run: |
           mkdir build
           cd build
-          cmake ..
+          cmake -DCMAKE_BUILD_TYPE=${{matrix.buildType}} ..
           cd ..
           cmake --build build -j$(getconf _NPROCESSORS_ONLN)
       - name: stats
         run: |
           ./build/qjs -qd
+      - name: test
+        run: |
+          ./build/qjs tests/test_bigint.js
+          ./build/qjs tests/test_closure.js
+          ./build/qjs tests/test_language.js
+          ./build/qjs tests/test_builtin.js
+          ./build/qjs tests/test_loop.js
+          ./build/qjs tests/test_std.js
+          ./build/qjs tests/test_worker.js
+      - name: test 262
+        if: ${{ matrix.buildType == 'Release' }}
+        run: |
+          time ./build/run-test262 -m -c test262.conf -a
 
   macos:
     runs-on: macos-latest
@@ -93,18 +112,31 @@ jobs:
           make -j$(getconf _NPROCESSORS_ONLN) CONFIG_WERROR=y CONFIG_UBSAN=y UBSAN_OPTIONS="halt_on_error=1" test
   macos-cmake:
     runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        buildType: [Debug, Release]
     steps:
       - uses: actions/checkout@v3
       - name: build
         run: |
           mkdir build
           cd build
-          cmake ..
+          cmake -DCMAKE_BUILD_TYPE=${{matrix.buildType}} ..
           cd ..
           cmake --build build -j$(getconf _NPROCESSORS_ONLN)
       - name: stats
         run: |
           ./build/qjs -qd
+      - name: test
+        run: |
+          ./build/qjs tests/test_bigint.js
+          ./build/qjs tests/test_closure.js
+          ./build/qjs tests/test_language.js
+          ./build/qjs tests/test_builtin.js
+          ./build/qjs tests/test_loop.js
+          ./build/qjs tests/test_std.js
+          ./build/qjs tests/test_worker.js
 
   windows-mingw:
     runs-on: windows-latest
@@ -146,6 +178,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
+        buildType: [Debug, Release]
         sys:
           - mingw64
           - ucrt64
@@ -154,8 +187,6 @@ jobs:
         shell: msys2 {0}
     steps:
     - uses: actions/checkout@v3
-      with:
-        submodules: true
     - name: Setup MSYS2
       uses: msys2/setup-msys2@v2
       with:
@@ -171,9 +202,17 @@ jobs:
       run: |
         mkdir build
         cd build
-        cmake ..
+        cmake -DCMAKE_BUILD_TYPE=${{matrix.buildType}} ..
         cd ..
         cmake --build build -j$(getconf _NPROCESSORS_ONLN)
     - name: stats
       run: |
         ./build/qjs -qd
+    - name: test
+      run: |
+        ./build/qjs tests/test_bigint.js
+        ./build/qjs tests/test_closure.js
+        ./build/qjs tests/test_language.js
+        ./build/qjs tests/test_builtin.js
+        ./build/qjs tests/test_loop.js
+        ./build/qjs tests/test_std.js
diff --git a/Makefile b/Makefile
index 046a209..4a42d5a 100644
--- a/Makefile
+++ b/Makefile
@@ -402,6 +402,7 @@ test: qjs32
 endif
 
 test: qjs
+	./qjs tests/test_bigint.js
 	./qjs tests/test_closure.js
 	./qjs tests/test_language.js
 	./qjs tests/test_builtin.js
@@ -416,7 +417,6 @@ ifndef CONFIG_DARWIN
 	./qjs examples/test_point.js
 endif
 endif
-	./qjs tests/test_bigint.js
 ifdef CONFIG_M32
 	./qjs32 tests/test_closure.js
 	./qjs32 tests/test_language.js