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

#include "gmock/gmock.h"

namespace tint::wgsl::writer {
namespace {

using WgslASTPrinterTest = TestHelper;

TEST_F(WgslASTPrinterTest, EmitIdentifierExpression_Single) {
    GlobalVar("glsl", ty.f32(), core::AddressSpace::kPrivate);
    auto* i = Expr("glsl");
    WrapInFunction(i);

    ASTPrinter& gen = Build();

    StringStream out;
    gen.EmitExpression(out, i);
    EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
    EXPECT_EQ(out.str(), "glsl");
}

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