diff --git a/tests/type-definitions/compat.ts b/tests/type-definitions/compat.ts
new file mode 100644
index 000000000000..340961ca3014
--- /dev/null
+++ b/tests/type-definitions/compat.ts
@@ -0,0 +1,77 @@
+import compat from 'core-js-compat';
+import compat2 from 'core-js-compat/compat';
+import getModulesListForTargetVersion from 'core-js-compat/get-modules-list-for-target-version';
+
+getModulesListForTargetVersion('3.0');
+compat.getModulesListForTargetVersion('3.0');
+
+compat.data['es.array.push'].android
+compat.data['es.array.push'].firefox
+
+if (typeof compat.modules[0] !== 'string') {
+  console.error('Invalid');
+}
+
+if (!compat.entries['core-js'].includes('es.array.from')) {
+  console.error('Invalid')
+}
+
+compat();
+compat({});
+compat({ modules: 'core-js/actual' });
+compat({ modules: 'es.array.push' });
+compat({ modules: /^es\.array\./ });
+compat({ modules: ['core-js/actual', /^es\.array\./] });
+compat({ exclude: 'core-js/actual' });
+compat({ exclude: 'es.array.push' });
+compat({ exclude: /^es\.array\./ });
+compat({ exclude: ['core-js/actual', /^es\.array\./] });
+compat({ modules: 'core-js/actual', exclude: /^es\.array\./ });
+compat({ targets: '> 1%' });
+compat({ targets: ['defaults', 'last 5 versions'] });
+compat({ targets: { esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat({ targets: { chrome: '26', firefox: 4 } });
+compat({ targets: { browsers: { chrome: '26', firefox: 4 } } });
+compat({ targets: { chrome: '26', firefox: 4, esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat({ version: '3.0' });
+compat({ inverse: true });
+
+compat.compat();
+compat.compat({});
+compat.compat({ modules: 'core-js/actual' });
+compat.compat({ modules: 'es.array.push' });
+compat.compat({ modules: /^es\.array\./ });
+compat.compat({ modules: ['core-js/actual', /^es\.array\./] });
+compat.compat({ exclude: 'core-js/actual' });
+compat.compat({ exclude: 'es.array.push' });
+compat.compat({ exclude: /^es\.array\./ });
+compat.compat({ exclude: ['core-js/actual', /^es\.array\./] });
+compat.compat({ modules: 'core-js/actual', exclude: /^es\.array\./ });
+compat.compat({ targets: '> 1%' });
+compat.compat({ targets: ['defaults', 'last 5 versions'] });
+compat.compat({ targets: { esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat.compat({ targets: { chrome: '26', firefox: 4 } });
+compat.compat({ targets: { browsers: { chrome: '26', firefox: 4 } } });
+compat.compat({ targets: { chrome: '26', firefox: 4, esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat.compat({ version: '3.0' });
+compat.compat({ inverse: true });
+
+compat2();
+compat2({});
+compat2({ modules: 'core-js/actual' });
+compat2({ modules: 'es.array.push' });
+compat2({ modules: /^es\.array\./ });
+compat2({ modules: ['core-js/actual', /^es\.array\./] });
+compat2({ exclude: 'core-js/actual' });
+compat2({ exclude: 'es.array.push' });
+compat2({ exclude: /^es\.array\./ });
+compat2({ exclude: ['core-js/actual', /^es\.array\./] });
+compat2({ modules: 'core-js/actual', exclude: /^es\.array\./ });
+compat2({ targets: '> 1%' });
+compat2({ targets: ['defaults', 'last 5 versions'] });
+compat2({ targets: { esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat2({ targets: { chrome: '26', firefox: 4 } });
+compat2({ targets: { browsers: { chrome: '26', firefox: 4 } } });
+compat2({ targets: { chrome: '26', firefox: 4, esmodules: true, node: 'current', browsers: ['> 1%'] } });
+compat2({ version: '3.0' });
+compat2({ inverse: true });