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#include "src/tint/lang/wgsl/ast/helper_test.h"

namespace tint::ast {
namespace {

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

using IdentifierExpressionTest = TestHelper;
using IdentifierExpressionDeathTest = IdentifierExpressionTest;

TEST_F(IdentifierExpressionTest, Creation) {
    auto* i = Expr("ident");
    EXPECT_EQ(i->identifier->symbol, Symbol(1, ID(), "ident"));
}

TEST_F(IdentifierExpressionTest, CreationTemplated) {
    auto* i = Expr(Ident("ident", true));
    EXPECT_EQ(i->identifier->symbol, Symbol(1, ID(), "ident"));
    auto* tmpl_ident = i->identifier->As<TemplatedIdentifier>();
    ASSERT_NE(tmpl_ident, nullptr);
    EXPECT_EQ(tmpl_ident->arguments.Length(), 1_u);
    EXPECT_TRUE(tmpl_ident->arguments[0]->Is<BoolLiteralExpression>());
}

TEST_F(IdentifierExpressionTest, Creation_WithSource) {
    auto* i = Expr(Source{{20, 2}}, "ident");
    EXPECT_EQ(i->identifier->symbol, Symbol(1, ID(), "ident"));

    EXPECT_EQ(i->source.range, (Source::Range{{20, 2}}));
    EXPECT_EQ(i->identifier->source.range, (Source::Range{{20, 2}}));
}

TEST_F(IdentifierExpressionDeathTest, Assert_InvalidSymbol) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            ProgramBuilder b;
            b.Expr("");
        },
        "internal compiler error");
}

TEST_F(IdentifierExpressionDeathTest, Assert_DifferentGenerationID_Symbol) {
    EXPECT_DEATH_IF_SUPPORTED(
        {
            ProgramBuilder b1;
            ProgramBuilder b2;
            b1.Expr(b2.Sym("b2"));
        },
        "internal compiler error");
}

}  // namespace
}  // namespace tint::ast