Line data    Source code

       1              : // Unit tests for the script-level driver scaffold.
       2              : //
       3              : // `ScriptDriver` owns the per-script-run state the procedural
       4              : // scripting executor threads through every statement family. Today
       5              : // the driver only owns the shared `semantic::FrameStack` for the
       6              : // script-level variable environment; the primitive itself is
       7              : // covered by `backend/engine/semantic/frame_stack_test.cc` so this
       8              : // file just pins the driver-side wiring (the script driver owns a
       9              : // usable frame stack, callers reach the variables through
      10              : // `variables()`).
      11              : 
      12              : #include "backend/engine/semantic/script/script_driver.h"
      13              : 
      14              : #include "backend/engine/semantic/value.h"
      15              : #include "googlesql/public/value.h"
      16              : #include "gtest/gtest.h"
      17              : 
      18              : namespace bigquery_emulator {
      19              : namespace backend {
      20              : namespace engine {
      21              : namespace semantic {
      22              : namespace script {
      23              : namespace {
      24              : 
      25            1 : TEST(ScriptDriverTest, OwnsAFrameStack) {
      26            1 :   ScriptDriver driver;
      27            1 :   EXPECT_EQ(driver.variables().frame_count(), 1u);
      28            1 :   ASSERT_TRUE(driver.variables().Declare("x", Value::Int64(7)).ok());
      29            1 :   auto got = driver.variables().Lookup("x");
      30            1 :   ASSERT_TRUE(got.ok());
      31            1 :   EXPECT_EQ(got->int64_value(), 7);
      32            1 : }
      33              : 
      34              : }  // namespace
      35              : }  // namespace script
      36              : }  // namespace semantic
      37              : }  // namespace engine
      38              : }  // namespace backend
      39              : }  // namespace bigquery_emulator