src/tint/lang/wgsl/writer/ast_printer/return_test.cc

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#include "src/tint/lang/wgsl/writer/ast_printer/helper_test.h"

#include "gmock/gmock.h"

using namespace tint::core::number_suffixes;  // NOLINT

namespace tint::wgsl::writer {
namespace {

using WgslASTPrinterTest = TestHelper;

TEST_F(WgslASTPrinterTest, Emit_Return) {
    auto* r = Return();
    WrapInFunction(r);

    ASTPrinter& gen = Build();

    gen.IncrementIndent();

    gen.EmitStatement(r);
    EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
    EXPECT_EQ(gen.Result(), "  return;\n");
}

TEST_F(WgslASTPrinterTest, Emit_ReturnWithValue) {
    auto* r = Return(123_i);
    Func("f", tint::Empty, ty.i32(), Vector{r});

    ASTPrinter& gen = Build();

    gen.IncrementIndent();

    gen.EmitStatement(r);
    EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
    EXPECT_EQ(gen.Result(), "  return 123i;\n");
}

}  // namespace
}  // namespace tint::wgsl::writer